45085969 has 2 divisors, whose sum is σ = 45085970. Its totient is φ = 45085968.

The previous prime is 45085967. The next prime is 45085979. The reversal of 45085969 is 96958054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40157569 + 4928400 = 6337^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 45085969 - 2¹ = 45085967 is a prime.

It is a super-2 number, since 2×45085969² = 4065489201337922, which contains 22 as substring.

Together with 45085967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45085967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22542984 + 22542985.

It is an arithmetic number, because the mean of its divisors is an integer number (22542985).

Almost surely, 2^45085969 is an apocalyptic number.

It is an amenable number.

45085969 is a deficient number, since it is larger than the sum of its proper divisors (1).

45085969 is an equidigital number, since it uses as much as digits as its factorization.

45085969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 45085969 is about 6714.6086259737. The cubic root of 45085969 is about 355.9156919618.

The spelling of 45085969 in words is "forty-five million, eighty-five thousand, nine hundred sixty-nine".