157698652 has 6 divisors (see below), whose sum is σ = 275972648. Its totient is φ = 78849324.

The previous prime is 157698641. The next prime is 157698683. The reversal of 157698652 is 256896751.

It is a junction number, because it is equal to n+sod(n) for n = 157698596 and 157698605.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 19712328 + ... + 19712335.

Almost surely, 2^157698652 is an apocalyptic number.

It is an amenable number.

157698652 is a deficient number, since it is larger than the sum of its proper divisors (118273996).

157698652 is a wasteful number, since it uses less digits than its factorization.

157698652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39424667 (or 39424665 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 157698652 is about 12557.8123891066. The cubic root of 157698652 is about 540.2681018946.

The spelling of 157698652 in words is "one hundred fifty-seven million, six hundred ninety-eight thousand, six hundred fifty-two".