157098689 has 16 divisors (see below), whose sum is σ = 174424320. Its totient is φ = 140300160.

The previous prime is 157098679. The next prime is 157098709. The reversal of 157098689 is 986890751.

It is not a de Polignac number, because 157098689 - 2⁸ = 157098433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 157098689.

It is not an unprimeable number, because it can be changed into a prime (157098679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254309 + ... + 254925.

It is an arithmetic number, because the mean of its divisors is an integer number (10901520).

Almost surely, 2^157098689 is an apocalyptic number.

It is an amenable number.

157098689 is a deficient number, since it is larger than the sum of its proper divisors (17325631).

157098689 is a wasteful number, since it uses less digits than its factorization.

157098689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 157098689 is about 12533.9015872952. The cubic root of 157098689 is about 539.5820829131.

The spelling of 157098689 in words is "one hundred fifty-seven million, ninety-eight thousand, six hundred eighty-nine".