45775019 has 2 divisors, whose sum is σ = 45775020. Its totient is φ = 45775018.

The previous prime is 45775007. The next prime is 45775043. The reversal of 45775019 is 91057754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45775019 is a prime.

It is a super-2 number, since 2×45775019² = 4190704728900722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45775069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22887509 + 22887510.

It is an arithmetic number, because the mean of its divisors is an integer number (22887510).

Almost surely, 2^45775019 is an apocalyptic number.

45775019 is a deficient number, since it is larger than the sum of its proper divisors (1).

45775019 is an equidigital number, since it uses as much as digits as its factorization.

45775019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 45775019 is about 6765.7238341511. The cubic root of 45775019 is about 357.7196889226.

The spelling of 45775019 in words is "forty-five million, seven hundred seventy-five thousand, nineteen".