45574561 has 2 divisors, whose sum is σ = 45574562. Its totient is φ = 45574560.

The previous prime is 45574519. The next prime is 45574589. The reversal of 45574561 is 16547554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45481536 + 93025 = 6744^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 45574561 - 2⁹ = 45574049 is a prime.

It is a super-2 number, since 2×45574561² = 4154081220685442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45574561.

It is not a weakly prime, because it can be changed into another prime (45574961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22787280 + 22787281.

It is an arithmetic number, because the mean of its divisors is an integer number (22787281).

Almost surely, 2^45574561 is an apocalyptic number.

It is an amenable number.

45574561 is a deficient number, since it is larger than the sum of its proper divisors (1).

45574561 is an equidigital number, since it uses as much as digits as its factorization.

45574561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The square root of 45574561 is about 6750.8933482910. The cubic root of 45574561 is about 357.1967493759.

The spelling of 45574561 in words is "forty-five million, five hundred seventy-four thousand, five hundred sixty-one".