157182940 has 12 divisors (see below), whose sum is σ = 330084216. Its totient is φ = 62873168.

The previous prime is 157182937. The next prime is 157182979. The reversal of 157182940 is 49281751.

It is a self number, because there is not a number n which added to its sum of digits gives 157182940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929554 + ... + 3929593.

It is an arithmetic number, because the mean of its divisors is an integer number (27507018).

Almost surely, 2^157182940 is an apocalyptic number.

157182940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157182940 is an abundant number, since it is smaller than the sum of its proper divisors (172901276).

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

157182940 is a wasteful number, since it uses less digits than its factorization.

157182940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859156 (or 7859154 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 157182940 is about 12537.2620615508. The cubic root of 157182940 is about 539.6785237896.

The spelling of 157182940 in words is "one hundred fifty-seven million, one hundred eighty-two thousand, nine hundred forty".