157001453813 has 2 divisors, whose sum is σ = 157001453814. Its totient is φ = 157001453812.

The previous prime is 157001453779. The next prime is 157001453927. The reversal of 157001453813 is 318354100751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143912492164 + 13088961649 = 379358^2 + 114407^2 .

It is a cyclic number.

It is not a de Polignac number, because 157001453813 - 2¹⁴ = 157001437429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157001453513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78500726906 + 78500726907.

It is an arithmetic number, because the mean of its divisors is an integer number (78500726907).

Almost surely, 2^157001453813 is an apocalyptic number.

It is an amenable number.

157001453813 is a deficient number, since it is larger than the sum of its proper divisors (1).

157001453813 is an equidigital number, since it uses as much as digits as its factorization.

157001453813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 157001453813 in words is "one hundred fifty-seven billion, one million, four hundred fifty-three thousand, eight hundred thirteen".