45724477 has 2 divisors, whose sum is σ = 45724478. Its totient is φ = 45724476.

The previous prime is 45724463. The next prime is 45724487. The reversal of 45724477 is 77442754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43309561 + 2414916 = 6581^2 + 1554^2 .

It is a cyclic number.

It is not a de Polignac number, because 45724477 - 2²³ = 37335869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45724487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22862238 + 22862239.

It is an arithmetic number, because the mean of its divisors is an integer number (22862239).

Almost surely, 2^45724477 is an apocalyptic number.

It is an amenable number.

45724477 is a deficient number, since it is larger than the sum of its proper divisors (1).

45724477 is an equidigital number, since it uses as much as digits as its factorization.

45724477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 219520, while the sum is 40.

The square root of 45724477 is about 6761.9876515711. The cubic root of 45724477 is about 357.5879829745.

The spelling of 45724477 in words is "forty-five million, seven hundred twenty-four thousand, four hundred seventy-seven".