157300433 has 2 divisors, whose sum is σ = 157300434. Its totient is φ = 157300432.

The previous prime is 157300393. The next prime is 157300447. The reversal of 157300433 is 334003751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141800464 + 15499969 = 11908^2 + 3937^2 .

It is an emirp because it is prime and its reverse (334003751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157300433 - 2⁶ = 157300369 is a prime.

It is not a weakly prime, because it can be changed into another prime (157300453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78650216 + 78650217.

It is an arithmetic number, because the mean of its divisors is an integer number (78650217).

Almost surely, 2^157300433 is an apocalyptic number.

It is an amenable number.

157300433 is a deficient number, since it is larger than the sum of its proper divisors (1).

157300433 is an equidigital number, since it uses as much as digits as its factorization.

157300433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 157300433 is about 12541.9469381751. The cubic root of 157300433 is about 539.8129587698.

The spelling of 157300433 in words is "one hundred fifty-seven million, three hundred thousand, four hundred thirty-three".