453139457 has 2 divisors, whose sum is σ = 453139458. Its totient is φ = 453139456.

The previous prime is 453139447. The next prime is 453139499. The reversal of 453139457 is 754931354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350400961 + 102738496 = 18719^2 + 10136^2 .

It is a cyclic number.

It is not a de Polignac number, because 453139457 - 2⁸ = 453139201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (453139447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226569728 + 226569729.

It is an arithmetic number, because the mean of its divisors is an integer number (226569729).

Almost surely, 2^453139457 is an apocalyptic number.

It is an amenable number.

453139457 is a deficient number, since it is larger than the sum of its proper divisors (1).

453139457 is an equidigital number, since it uses as much as digits as its factorization.

453139457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

The square root of 453139457 is about 21287.0725324080. The cubic root of 453139457 is about 768.0873748834.

The spelling of 453139457 in words is "four hundred fifty-three million, one hundred thirty-nine thousand, four hundred fifty-seven".