45445277 has 2 divisors, whose sum is σ = 45445278. Its totient is φ = 45445276.

The previous prime is 45445273. The next prime is 45445289. The reversal of 45445277 is 77254454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30591961 + 14853316 = 5531^2 + 3854^2 .

It is a cyclic number.

It is not a de Polignac number, because 45445277 - 2² = 45445273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45445277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45445271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722638 + 22722639.

It is an arithmetic number, because the mean of its divisors is an integer number (22722639).

Almost surely, 2^45445277 is an apocalyptic number.

It is an amenable number.

45445277 is a deficient number, since it is larger than the sum of its proper divisors (1).

45445277 is an equidigital number, since it uses as much as digits as its factorization.

45445277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 38.

The square root of 45445277 is about 6741.3112226035. The cubic root of 45445277 is about 356.8586692462.

The spelling of 45445277 in words is "forty-five million, four hundred forty-five thousand, two hundred seventy-seven".