45031937 has 2 divisors, whose sum is σ = 45031938. Its totient is φ = 45031936.

The previous prime is 45031891. The next prime is 45031939. The reversal of 45031937 is 73913054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 14737921 = 5504^2 + 3839^2 .

It is a cyclic number.

It is not a de Polignac number, because 45031937 - 2⁶ = 45031873 is a prime.

Together with 45031939, 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 (45031939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22515968 + 22515969.

It is an arithmetic number, because the mean of its divisors is an integer number (22515969).

Almost surely, 2^45031937 is an apocalyptic number.

It is an amenable number.

45031937 is a deficient number, since it is larger than the sum of its proper divisors (1).

45031937 is an equidigital number, since it uses as much as digits as its factorization.

45031937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 45031937 is about 6710.5839537256. The cubic root of 45031937 is about 355.7734561071.

The spelling of 45031937 in words is "forty-five million, thirty-one thousand, nine hundred thirty-seven".