45512057 has 2 divisors, whose sum is σ = 45512058. Its totient is φ = 45512056.

The previous prime is 45512023. The next prime is 45512059. The reversal of 45512057 is 75021554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41783296 + 3728761 = 6464^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 45512057 - 2¹⁸ = 45249913 is a prime.

Together with 45512059, 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 (45512059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756028 + 22756029.

It is an arithmetic number, because the mean of its divisors is an integer number (22756029).

Almost surely, 2^45512057 is an apocalyptic number.

It is an amenable number.

45512057 is a deficient number, since it is larger than the sum of its proper divisors (1).

45512057 is an equidigital number, since it uses as much as digits as its factorization.

45512057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 45512057 is about 6746.2624467182. The cubic root of 45512057 is about 357.0333801668.

The spelling of 45512057 in words is "forty-five million, five hundred twelve thousand, fifty-seven".