45444631 has 2 divisors, whose sum is σ = 45444632. Its totient is φ = 45444630.

The previous prime is 45444613. The next prime is 45444661. The reversal of 45444631 is 13644454.

Together with previous prime (45444613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45444631 - 2¹⁷ = 45313559 is a prime.

It is a super-2 number, since 2×45444631² = 4130428973452322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45444593 and 45444602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45444601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722315 + 22722316.

It is an arithmetic number, because the mean of its divisors is an integer number (22722316).

Almost surely, 2^45444631 is an apocalyptic number.

45444631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444631 is an equidigital number, since it uses as much as digits as its factorization.

45444631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 45444631 is about 6741.2633089058. The cubic root of 45444631 is about 356.8569783349.

The spelling of 45444631 in words is "forty-five million, four hundred forty-four thousand, six hundred thirty-one".