152305457 has 2 divisors, whose sum is σ = 152305458. Its totient is φ = 152305456.

The previous prime is 152305453. The next prime is 152305459. The reversal of 152305457 is 754503251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113976976 + 38328481 = 10676^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 152305457 - 2² = 152305453 is a prime.

Together with 152305459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152305451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76152728 + 76152729.

It is an arithmetic number, because the mean of its divisors is an integer number (76152729).

Almost surely, 2^152305457 is an apocalyptic number.

It is an amenable number.

152305457 is a deficient number, since it is larger than the sum of its proper divisors (1).

152305457 is an equidigital number, since it uses as much as digits as its factorization.

152305457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 152305457 is about 12341.2097056974. The cubic root of 152305457 is about 534.0375826299.

The spelling of 152305457 in words is "one hundred fifty-two million, three hundred five thousand, four hundred fifty-seven".