45031477 has 2 divisors, whose sum is σ = 45031478. Its totient is φ = 45031476.

The previous prime is 45031457. The next prime is 45031507. The reversal of 45031477 is 77413054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44809636 + 221841 = 6694^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 45031477 - 2¹¹ = 45029429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45031457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22515738 + 22515739.

It is an arithmetic number, because the mean of its divisors is an integer number (22515739).

Almost surely, 2^45031477 is an apocalyptic number.

It is an amenable number.

45031477 is a deficient number, since it is larger than the sum of its proper divisors (1).

45031477 is an equidigital number, since it uses as much as digits as its factorization.

45031477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 45031477 is about 6710.5496794227. The cubic root of 45031477 is about 355.7722446977.

The spelling of 45031477 in words is "forty-five million, thirty-one thousand, four hundred seventy-seven".