45616019 has 2 divisors, whose sum is σ = 45616020. Its totient is φ = 45616018.

The previous prime is 45616007. The next prime is 45616033. The reversal of 45616019 is 91061654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45616019 - 2⁴ = 45616003 is a prime.

It is a super-2 number, since 2×45616019² = 4161642378816722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45616099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22808009 + 22808010.

It is an arithmetic number, because the mean of its divisors is an integer number (22808010).

Almost surely, 2^45616019 is an apocalyptic number.

45616019 is a deficient number, since it is larger than the sum of its proper divisors (1).

45616019 is an equidigital number, since it uses as much as digits as its factorization.

45616019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 45616019 is about 6753.9632068882. The cubic root of 45616019 is about 357.3050274330.

The spelling of 45616019 in words is "forty-five million, six hundred sixteen thousand, nineteen".