45388037 has 2 divisors, whose sum is σ = 45388038. Its totient is φ = 45388036.

The previous prime is 45388019. The next prime is 45388067. The reversal of 45388037 is 73088354.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35058241 + 10329796 = 5921^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 45388037 - 2⁶ = 45387973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45388067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22694018 + 22694019.

It is an arithmetic number, because the mean of its divisors is an integer number (22694019).

Almost surely, 2^45388037 is an apocalyptic number.

It is an amenable number.

45388037 is a deficient number, since it is larger than the sum of its proper divisors (1).

45388037 is an equidigital number, since it uses as much as digits as its factorization.

45388037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 45388037 is about 6737.0644200572. The cubic root of 45388037 is about 356.7087807532.

The spelling of 45388037 in words is "forty-five million, three hundred eighty-eight thousand, thirty-seven".