45249999 has 16 divisors (see below), whose sum is σ = 61435392. Its totient is φ = 29619648.

The previous prime is 45249989. The next prime is 45250027. The reversal of 45249999 is 99994254.

It is not a de Polignac number, because 45249999 - 2⁷ = 45249871 is a prime.

45249999 is a modest number, since divided by 9999 gives 4524 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45249929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80092 + ... + 80654.

It is an arithmetic number, because the mean of its divisors is an integer number (3839712).

Almost surely, 2^45249999 is an apocalyptic number.

45249999 is a deficient number, since it is larger than the sum of its proper divisors (16185393).

45249999 is a wasteful number, since it uses less digits than its factorization.

45249999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006.

The product of its digits is 1049760, while the sum is 51.

The square root of 45249999 is about 6726.8119492074. The cubic root of 45249999 is about 356.3467957351.

The spelling of 45249999 in words is "forty-five million, two hundred forty-nine thousand, nine hundred ninety-nine".