45045719 has 2 divisors, whose sum is σ = 45045720. Its totient is φ = 45045718.

The previous prime is 45045703. The next prime is 45045727. The reversal of 45045719 is 91754054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45045719 - 2⁴ = 45045703 is a prime.

It is a super-2 number, since 2×45045719² = 4058233600453922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45045739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522859 + 22522860.

It is an arithmetic number, because the mean of its divisors is an integer number (22522860).

Almost surely, 2^45045719 is an apocalyptic number.

45045719 is a deficient number, since it is larger than the sum of its proper divisors (1).

45045719 is an equidigital number, since it uses as much as digits as its factorization.

45045719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 45045719 is about 6711.6107604658. The cubic root of 45045719 is about 355.8097471631.

The spelling of 45045719 in words is "forty-five million, forty-five thousand, seven hundred nineteen".