157242912 has 48 divisors (see below), whose sum is σ = 426085632. Its totient is φ = 50722560.

The previous prime is 157242893. The next prime is 157242929. The reversal of 157242912 is 219242751.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 23443 + ... + 29394.

It is an arithmetic number, because the mean of its divisors is an integer number (8876784).

Almost surely, 2^157242912 is an apocalyptic number.

157242912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157242912 is an abundant number, since it is smaller than the sum of its proper divisors (268842720).

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

157242912 is a wasteful number, since it uses less digits than its factorization.

157242912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52881 (or 52873 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 157242912 is about 12539.6535837319. The cubic root of 157242912 is about 539.7471518587.

The spelling of 157242912 in words is "one hundred fifty-seven million, two hundred forty-two thousand, nine hundred twelve".