45008619 has 4 divisors (see below), whose sum is σ = 60011496. Its totient is φ = 30005744.

The previous prime is 45008597. The next prime is 45008651. The reversal of 45008619 is 91680054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45008619 - 2⁸ = 45008363 is a prime.

It is a super-2 number, since 2×45008619² = 4051551568574322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45008619.

It is not an unprimeable number, because it can be changed into a prime (45008699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7501434 + ... + 7501439.

It is an arithmetic number, because the mean of its divisors is an integer number (15002874).

Almost surely, 2^45008619 is an apocalyptic number.

45008619 is a deficient number, since it is larger than the sum of its proper divisors (15002877).

45008619 is a wasteful number, since it uses less digits than its factorization.

45008619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15002876.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 45008619 is about 6708.8463240709. The cubic root of 45008619 is about 355.7120377870.

The spelling of 45008619 in words is "forty-five million, eight thousand, six hundred nineteen".