45118057 has 2 divisors, whose sum is σ = 45118058. Its totient is φ = 45118056.

The previous prime is 45118033. The next prime is 45118061. The reversal of 45118057 is 75081154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44568976 + 549081 = 6676^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 45118057 - 2⁷ = 45117929 is a prime.

It is equal to p_2724916 and since 45118057 and 2724916 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45118097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22559028 + 22559029.

It is an arithmetic number, because the mean of its divisors is an integer number (22559029).

Almost surely, 2^45118057 is an apocalyptic number.

It is an amenable number.

45118057 is a deficient number, since it is larger than the sum of its proper divisors (1).

45118057 is an equidigital number, since it uses as much as digits as its factorization.

45118057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 45118057 is about 6716.9976179838. The cubic root of 45118057 is about 356.0001078357. Note that the first 3 decimals are identical.

The spelling of 45118057 in words is "forty-five million, one hundred eighteen thousand, fifty-seven".