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143225942472 = 2334148672
BaseRepresentation
bin1000010101100011101…
…1100111000111001000
3111200200122212201220000
42011120323213013020
54321311320124342
6145444101003000
713230162265254
oct2053073470710
9450618781800
10143225942472
11558183464a8
12239120b3460
13106770149b2
146d09c4b264
153ad404644c
hex2158ee71c8

143225942472 has 60 divisors (see below), whose sum is σ = 401192240955. Its totient is φ = 47738769552.

The previous prime is 143225942471. The next prime is 143225942479. The reversal of 143225942472 is 274249522341.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

143225942472 is a `hidden beast` number, since 1 + 4 + 32 + 2 + 594 + 24 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71612971236 + 71612971236 = 267606^2 + 267606^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=267606.

It is not an unprimeable number, because it can be changed into a prime (143225942471) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9626383 + ... + 9641249.

Almost surely, 2143225942472 is an apocalyptic number.

143225942472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143225942472 is an abundant number, since it is smaller than the sum of its proper divisors (257966298483).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143225942472 is an frugal number, since it uses more digits than its factorization.

143225942472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29752 (or 14872 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 143225942472 in words is "one hundred forty-three billion, two hundred twenty-five million, nine hundred forty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 14867 29734 44601 59468 89202 118936 133803 178404 267606 356808 401409 535212 802818 1070424 1204227 1605636 2408454 3211272 4816908 9633816 221027689 442055378 663083067 884110756 1326166134 1768221512 1989249201 2652332268 3978498402 5304664536 5967747603 7956996804 11935495206 15913993608 17903242809 23870990412 35806485618 47741980824 71612971236 143225942472