157699204 has 12 divisors (see below), whose sum is σ = 297202444. Its totient is φ = 72784224.

The previous prime is 157699169. The next prime is 157699211. The reversal of 157699204 is 402996751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95257600 + 62441604 = 9760^2 + 7902^2 .

It is a zygodrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516287 + ... + 1516390.

Almost surely, 2^157699204 is an apocalyptic number.

It is an amenable number.

157699204 is a deficient number, since it is larger than the sum of its proper divisors (139503240).

157699204 is a wasteful number, since it uses less digits than its factorization.

157699204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032694 (or 3032692 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 157699204 is about 12557.8343674377. The cubic root of 157699204 is about 540.2687322691.

The spelling of 157699204 in words is "one hundred fifty-seven million, six hundred ninety-nine thousand, two hundred four".