157197034 has 12 divisors (see below), whose sum is σ = 241692102. Its totient is φ = 76679840.

The previous prime is 157197031. The next prime is 157197041. The reversal of 157197034 is 430791751.

It can be written as a sum of positive squares in 3 ways, for example, as 90725625 + 66471409 = 9525^2 + 8153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157196984 and 157197002.

It is not an unprimeable number, because it can be changed into a prime (157197031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20017 + ... + 26740.

Almost surely, 2^157197034 is an apocalyptic number.

157197034 is a deficient number, since it is larger than the sum of its proper divisors (84495068).

157197034 is an equidigital number, since it uses as much as digits as its factorization.

157197034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46841 (or 46800 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 157197034 is about 12537.8241333973. The cubic root of 157197034 is about 539.6946536185.

The spelling of 157197034 in words is "one hundred fifty-seven million, one hundred ninety-seven thousand, thirty-four".