157158938 has 8 divisors (see below), whose sum is σ = 236154420. Its totient is φ = 78440800.

The previous prime is 157158913. The next prime is 157158961. The reversal of 157158938 is 839851751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128074489 + 29084449 = 11317^2 + 5393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 157158892 and 157158901.

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 3 ways as a sum of consecutive naturals, for example, 67913 + ... + 70188.

Almost surely, 2^157158938 is an apocalyptic number.

157158938 is a deficient number, since it is larger than the sum of its proper divisors (78995482).

157158938 is a wasteful number, since it uses less digits than its factorization.

157158938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138672.

The product of its digits is 302400, while the sum is 47.

The square root of 157158938 is about 12536.3047984643. The cubic root of 157158938 is about 539.6510525655.

The spelling of 157158938 in words is "one hundred fifty-seven million, one hundred fifty-eight thousand, nine hundred thirty-eight".