157241566478 has 48 divisors (see below), whose sum is σ = 254342939760. Its totient is φ = 72842246400.

The previous prime is 157241566463. The next prime is 157241566483. The reversal of 157241566478 is 874665142751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4187993 + ... + 4225371.

It is an arithmetic number, because the mean of its divisors is an integer number (5298811245).

Almost surely, 2^157241566478 is an apocalyptic number.

157241566478 is a deficient number, since it is larger than the sum of its proper divisors (97101373282).

157241566478 is a wasteful number, since it uses less digits than its factorization.

157241566478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37541 (or 37512 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 56.

The spelling of 157241566478 in words is "one hundred fifty-seven billion, two hundred forty-one million, five hundred sixty-six thousand, four hundred seventy-eight".