157215484 has 24 divisors (see below), whose sum is σ = 283354848. Its totient is φ = 76277760.

The previous prime is 157215469. The next prime is 157215491. The reversal of 157215484 is 484512751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29169 + ... + 34135.

It is an arithmetic number, because the mean of its divisors is an integer number (11806452).

Almost surely, 2^157215484 is an apocalyptic number.

It is an amenable number.

157215484 is a deficient number, since it is larger than the sum of its proper divisors (126139364).

157215484 is a wasteful number, since it uses less digits than its factorization.

157215484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205 (or 5203 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 157215484 is about 12538.5598854095. The cubic root of 157215484 is about 539.7157671993.

The spelling of 157215484 in words is "one hundred fifty-seven million, two hundred fifteen thousand, four hundred eighty-four".