157198514 has 64 divisors (see below), whose sum is σ = 287400960. Its totient is φ = 63645120.

The previous prime is 157198513. The next prime is 157198523. The reversal of 157198514 is 415891751.

It is a happy number.

157198514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157198514² = 49422745607616392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157198511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797864 + ... + 798060.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^157198514 is an apocalyptic number.

157198514 is a deficient number, since it is larger than the sum of its proper divisors (130202446).

157198514 is a wasteful number, since it uses less digits than its factorization.

157198514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its digits is 50400, while the sum is 41.

The square root of 157198514 is about 12537.8831546637. The cubic root of 157198514 is about 539.6963473434.

The spelling of 157198514 in words is "one hundred fifty-seven million, one hundred ninety-eight thousand, five hundred fourteen".