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143366144 = 21170003
BaseRepresentation
bin10001000101110…
…01100000000000
3100222202202101012
420202321200000
5243200204034
622120500052
73360410045
oct1042714000
9328682335
10143366144
1173a21119
124001a628
132391854c
141507d1cc
15c8bdcce
hex88b9800

143366144 has 24 divisors (see below), whose sum is σ = 286666380. Its totient is φ = 71682048.

The previous prime is 143366143. The next prime is 143366177. The reversal of 143366144 is 441663341.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 143366144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143366141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32954 + ... + 37049.

Almost surely, 2143366144 is an apocalyptic number.

It is an amenable number.

143366144 is a deficient number, since it is larger than the sum of its proper divisors (143300236).

143366144 is an frugal number, since it uses more digits than its factorization.

143366144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70025 (or 70005 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 143366144 is about 11973.5602057199. The cubic root of 143366144 is about 523.3780862464.

The spelling of 143366144 in words is "one hundred forty-three million, three hundred sixty-six thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 70003 140006 280012 560024 1120048 2240096 4480192 8960384 17920768 35841536 71683072 143366144