45458081 has 2 divisors, whose sum is σ = 45458082. Its totient is φ = 45458080.

The previous prime is 45458057. The next prime is 45458087. The reversal of 45458081 is 18085454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 7203856 = 6185^2 + 2684^2 .

It is a cyclic number.

It is not a de Polignac number, because 45458081 - 2¹⁰ = 45457057 is a prime.

It is a super-2 number, since 2×45458081² = 4132874256405122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45458087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22729040 + 22729041.

It is an arithmetic number, because the mean of its divisors is an integer number (22729041).

Almost surely, 2^45458081 is an apocalyptic number.

It is an amenable number.

45458081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45458081 is an equidigital number, since it uses as much as digits as its factorization.

45458081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 45458081 is about 6742.2608226025. The cubic root of 45458081 is about 356.8921805345.

The spelling of 45458081 in words is "forty-five million, four hundred fifty-eight thousand, eighty-one".