45408799 has 4 divisors (see below), whose sum is σ = 45555120. Its totient is φ = 45262480.

The previous prime is 45408773. The next prime is 45408823. The reversal of 45408799 is 99780454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99780454 = 2 ⋅49890227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45408799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45208799) 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, 72694 + ... + 73315.

It is an arithmetic number, because the mean of its divisors is an integer number (11388780).

Almost surely, 2^45408799 is an apocalyptic number.

45408799 is a deficient number, since it is larger than the sum of its proper divisors (146321).

45408799 is a wasteful number, since it uses less digits than its factorization.

45408799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146320.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 45408799 is about 6738.6051227238. The cubic root of 45408799 is about 356.7631626214.

The spelling of 45408799 in words is "forty-five million, four hundred eight thousand, seven hundred ninety-nine".