157012678 has 4 divisors (see below), whose sum is σ = 235519020. Its totient is φ = 78506338.

The previous prime is 157012673. The next prime is 157012679. The reversal of 157012678 is 876210751.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157012673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39253168 + ... + 39253171.

It is an arithmetic number, because the mean of its divisors is an integer number (58879755).

Almost surely, 2^157012678 is an apocalyptic number.

157012678 is a deficient number, since it is larger than the sum of its proper divisors (78506342).

157012678 is an equidigital number, since it uses as much as digits as its factorization.

157012678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78506341.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 157012678 is about 12530.4699832049. The cubic root of 157012678 is about 539.4835918156.

The spelling of 157012678 in words is "one hundred fifty-seven million, twelve thousand, six hundred seventy-eight".