157142857304 has 8 divisors (see below), whose sum is σ = 294642857460. Its totient is φ = 78571428648.

The previous prime is 157142857273. The next prime is 157142857309. The reversal of 157142857304 is 403758241751.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×157142857304² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157142857309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9821428574 + ... + 9821428589.

Almost surely, 2^157142857304 is an apocalyptic number.

It is an amenable number.

157142857304 is a deficient number, since it is larger than the sum of its proper divisors (137500000156).

157142857304 is a wasteful number, since it uses less digits than its factorization.

157142857304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19642857169 (or 19642857165 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 157142857304 in words is "one hundred fifty-seven billion, one hundred forty-two million, eight hundred fifty-seven thousand, three hundred four".