45412519 has 2 divisors, whose sum is σ = 45412520. Its totient is φ = 45412518.

The previous prime is 45412513. The next prime is 45412567. The reversal of 45412519 is 91521454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45412519 - 2¹⁷ = 45281447 is a prime.

It is a super-2 number, since 2×45412519² = 4124593763850722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45412513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22706259 + 22706260.

It is an arithmetic number, because the mean of its divisors is an integer number (22706260).

Almost surely, 2^45412519 is an apocalyptic number.

45412519 is a deficient number, since it is larger than the sum of its proper divisors (1).

45412519 is an equidigital number, since it uses as much as digits as its factorization.

45412519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 45412519 is about 6738.8811385867. The cubic root of 45412519 is about 356.7729046593.

The spelling of 45412519 in words is "forty-five million, four hundred twelve thousand, five hundred nineteen".