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143990132 = 2211131913249
BaseRepresentation
bin10001001010100…
…01110101110100
3101000221110022212
420211101311310
5243330141012
622142112552
73365616206
oct1045216564
9330843285
10143990132
1174307a10
124027b758
1323aa6580
14151a2776
15c993b22
hex8951d74

143990132 has 48 divisors (see below), whose sum is σ = 311640000. Its totient is φ = 57231360.

The previous prime is 143990129. The next prime is 143990141. The reversal of 143990132 is 231099341.

143990132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1439901322 = 41466316226754848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4244 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (6492500).

Almost surely, 2143990132 is an apocalyptic number.

It is an amenable number.

143990132 is an abundant number, since it is smaller than the sum of its proper divisors (167649868).

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

143990132 is a wasteful number, since it uses less digits than its factorization.

143990132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13296 (or 13294 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 143990132 is about 11999.5888262890. The cubic root of 143990132 is about 524.1363056627.

The spelling of 143990132 in words is "one hundred forty-three million, nine hundred ninety thousand, one hundred thirty-two".

Divisors: 1 2 4 11 13 19 22 26 38 44 52 76 143 209 247 286 418 494 572 836 988 2717 5434 10868 13249 26498 52996 145739 172237 251731 291478 344474 503462 582956 688948 1006924 1894607 2769041 3272503 3789214 5538082 6545006 7578428 11076164 13090012 35997533 71995066 143990132