157840968 has 32 divisors (see below), whose sum is σ = 408211200. Its totient is φ = 50799168.

The previous prime is 157840967. The next prime is 157840979. The reversal of 157840968 is 869048751.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (157840967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112696 + ... + 114087.

It is an arithmetic number, because the mean of its divisors is an integer number (12756600).

Almost surely, 2^157840968 is an apocalyptic number.

It is an amenable number.

157840968 is an abundant number, since it is smaller than the sum of its proper divisors (250370232).

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

157840968 is a wasteful number, since it uses less digits than its factorization.

157840968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226821 (or 226817 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 157840968 is about 12563.4775440560. The cubic root of 157840968 is about 540.4305756512.

The spelling of 157840968 in words is "one hundred fifty-seven million, eight hundred forty thousand, nine hundred sixty-eight".