157455919573 has 2 divisors, whose sum is σ = 157455919574. Its totient is φ = 157455919572.

The previous prime is 157455919547. The next prime is 157455919609. The reversal of 157455919573 is 375919554751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130853657169 + 26602262404 = 361737^2 + 163102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157455919573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157455919513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78727959786 + 78727959787.

It is an arithmetic number, because the mean of its divisors is an integer number (78727959787).

Almost surely, 2^157455919573 is an apocalyptic number.

It is an amenable number.

157455919573 is a deficient number, since it is larger than the sum of its proper divisors (1).

157455919573 is an equidigital number, since it uses as much as digits as its factorization.

157455919573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29767500, while the sum is 61.

The spelling of 157455919573 in words is "one hundred fifty-seven billion, four hundred fifty-five million, nine hundred nineteen thousand, five hundred seventy-three".