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143144444140 = 22517421013071
BaseRepresentation
bin1000010101010000010…
…0101110000011101100
3111200110222112012012021
42011110010232003230
54321124434203030
6145432030115524
713225152461635
oct2052404560354
9450428465167
10143144444140
1155786341605
12238aa94bba4
131066317b629
146cdd0b488c
153acbce897a
hex215412e0ec

143144444140 has 24 divisors (see below), whose sum is σ = 318285882432. Its totient is φ = 53889672960.

The previous prime is 143144444117. The next prime is 143144444167. The reversal of 143144444140 is 41444441341.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 143144444096 and 143144444105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210506196 + ... + 210506875.

It is an arithmetic number, because the mean of its divisors is an integer number (13261911768).

Almost surely, 2143144444140 is an apocalyptic number.

143144444140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143144444140 is an abundant number, since it is smaller than the sum of its proper divisors (175141438292).

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

143144444140 is a wasteful number, since it uses less digits than its factorization.

143144444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421013097 (or 421013095 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 143144444140 its reverse (41444441341), we get a palindrome (184588885481).

The spelling of 143144444140 in words is "one hundred forty-three billion, one hundred forty-four million, four hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 421013071 842026142 1684052284 2105065355 4210130710 7157222207 8420261420 14314444414 28628888828 35786111035 71572222070 143144444140