45444137 has 2 divisors, whose sum is σ = 45444138. Its totient is φ = 45444136.

The previous prime is 45444107. The next prime is 45444151. The reversal of 45444137 is 73144454.

45444137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 8185321 = 6104^2 + 2861^2 .

It is a cyclic number.

It is not a de Polignac number, because 45444137 - 2¹⁰ = 45443113 is a prime.

It is not a weakly prime, because it can be changed into another prime (45444107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722068 + 22722069.

It is an arithmetic number, because the mean of its divisors is an integer number (22722069).

Almost surely, 2^45444137 is an apocalyptic number.

It is an amenable number.

45444137 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444137 is an equidigital number, since it uses as much as digits as its factorization.

45444137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 32.

The square root of 45444137 is about 6741.2266687896. The cubic root of 45444137 is about 356.8556852743.

The spelling of 45444137 in words is "forty-five million, four hundred forty-four thousand, one hundred thirty-seven".