157174431473 has 2 divisors, whose sum is σ = 157174431474. Its totient is φ = 157174431472.

The previous prime is 157174431373. The next prime is 157174431511. The reversal of 157174431473 is 374134471751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156904716544 + 269714929 = 396112^2 + 16423^2 .

It is a cyclic number.

It is not a de Polignac number, because 157174431473 - 2¹⁴ = 157174415089 is a prime.

It is not a weakly prime, because it can be changed into another prime (157174431373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78587215736 + 78587215737.

It is an arithmetic number, because the mean of its divisors is an integer number (78587215737).

Almost surely, 2^157174431473 is an apocalyptic number.

It is an amenable number.

157174431473 is a deficient number, since it is larger than the sum of its proper divisors (1).

157174431473 is an equidigital number, since it uses as much as digits as its factorization.

157174431473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 47.

The spelling of 157174431473 in words is "one hundred fifty-seven billion, one hundred seventy-four million, four hundred thirty-one thousand, four hundred seventy-three".