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143942156 = 2243836873
BaseRepresentation
bin10001001010001…
…10001000001100
3101000212000111222
420211012020030
5243322122111
622141102512
73365326301
oct1045061014
9330760458
10143942156
1174284966
1240257a38
1323a8a797
141518d0a8
15c9847db
hex894620c

143942156 has 12 divisors (see below), whose sum is σ = 257757192. Its totient is φ = 70297248.

The previous prime is 143942137. The next prime is 143942177. The reversal of 143942156 is 651249341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418265 + ... + 418608.

It is an arithmetic number, because the mean of its divisors is an integer number (21479766).

Almost surely, 2143942156 is an apocalyptic number.

It is an amenable number.

143942156 is a deficient number, since it is larger than the sum of its proper divisors (113815036).

143942156 is a wasteful number, since it uses less digits than its factorization.

143942156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836920 (or 836918 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 143942156 is about 11997.5895912471. The cubic root of 143942156 is about 524.0780869585.

The spelling of 143942156 in words is "one hundred forty-three million, nine hundred forty-two thousand, one hundred fifty-six".

Divisors: 1 2 4 43 86 172 836873 1673746 3347492 35985539 71971078 143942156