45057737 has 2 divisors, whose sum is σ = 45057738. Its totient is φ = 45057736.

The previous prime is 45057707. The next prime is 45057739. The reversal of 45057737 is 73775054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26429881 + 18627856 = 5141^2 + 4316^2 .

It is a cyclic number.

It is not a de Polignac number, because 45057737 - 2⁶ = 45057673 is a prime.

It is a super-2 number, since 2×45057737² = 4060399327122338, which contains 22 as substring.

Together with 45057739, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45057737.

It is not a weakly prime, because it can be changed into another prime (45057739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22528868 + 22528869.

It is an arithmetic number, because the mean of its divisors is an integer number (22528869).

Almost surely, 2^45057737 is an apocalyptic number.

It is an amenable number.

45057737 is a deficient number, since it is larger than the sum of its proper divisors (1).

45057737 is an equidigital number, since it uses as much as digits as its factorization.

45057737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 45057737 is about 6712.5060148949. The cubic root of 45057737 is about 355.8413871755.

The spelling of 45057737 in words is "forty-five million, fifty-seven thousand, seven hundred thirty-seven".