45804989 has 2 divisors, whose sum is σ = 45804990. Its totient is φ = 45804988.

The previous prime is 45804973. The next prime is 45805003. The reversal of 45804989 is 98940854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41499364 + 4305625 = 6442^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 45804989 - 2⁴ = 45804973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45804929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22902494 + 22902495.

It is an arithmetic number, because the mean of its divisors is an integer number (22902495).

Almost surely, 2^45804989 is an apocalyptic number.

It is an amenable number.

45804989 is a deficient number, since it is larger than the sum of its proper divisors (1).

45804989 is an equidigital number, since it uses as much as digits as its factorization.

45804989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 45804989 is about 6767.9383123666. The cubic root of 45804989 is about 357.7977411035.

The spelling of 45804989 in words is "forty-five million, eight hundred four thousand, nine hundred eighty-nine".