45772481 has 2 divisors, whose sum is σ = 45772482. Its totient is φ = 45772480.

The previous prime is 45772453. The next prime is 45772541. The reversal of 45772481 is 18427754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39891856 + 5880625 = 6316^2 + 2425^2 .

It is a cyclic number.

It is not a de Polignac number, because 45772481 - 2¹⁸ = 45510337 is a prime.

It is a super-2 number, since 2×45772481² = 4190240033790722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45772681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22886240 + 22886241.

It is an arithmetic number, because the mean of its divisors is an integer number (22886241).

Almost surely, 2^45772481 is an apocalyptic number.

It is an amenable number.

45772481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45772481 is an equidigital number, since it uses as much as digits as its factorization.

45772481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 38.

The square root of 45772481 is about 6765.5362684713. The cubic root of 45772481 is about 357.7130775337.

The spelling of 45772481 in words is "forty-five million, seven hundred seventy-two thousand, four hundred eighty-one".