157612132322 has 4 divisors (see below), whose sum is σ = 236418198486. Its totient is φ = 78806066160.

The previous prime is 157612132297. The next prime is 157612132339. The reversal of 157612132322 is 223231216751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122388725281 + 35223407041 = 349841^2 + 187679^2 .

It is a super-2 number, since 2×157612132322² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39403033079 + ... + 39403033082.

Almost surely, 2^157612132322 is an apocalyptic number.

157612132322 is a deficient number, since it is larger than the sum of its proper divisors (78806066164).

157612132322 is an equidigital number, since it uses as much as digits as its factorization.

157612132322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78806066163.

The product of its digits is 30240, while the sum is 35.

The spelling of 157612132322 in words is "one hundred fifty-seven billion, six hundred twelve million, one hundred thirty-two thousand, three hundred twenty-two".