157212176615452 has 24 divisors (see below), whose sum is σ = 314425266573824. Its totient is φ = 67376451404592.

The previous prime is 157212176615449. The next prime is 157212176615489. The reversal of 157212176615452 is 254516671212751.

It is a junction number, because it is equal to n+sod(n) for n = 157212176615393 and 157212176615402.

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, 1872793 + ... + 17830639.

Almost surely, 2^{157212176615452} is an apocalyptic number.

It is an amenable number.

157212176615452 is an abundant number, since it is smaller than the sum of its proper divisors (157213089958372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157212176615452 is a wasteful number, since it uses less digits than its factorization.

157212176615452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16309705 (or 16309703 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 55.

The spelling of 157212176615452 in words is "one hundred fifty-seven trillion, two hundred twelve billion, one hundred seventy-six million, six hundred fifteen thousand, four hundred fifty-two".