45099249 has 16 divisors (see below), whose sum is σ = 68568192. Its totient is φ = 26120448.

The previous prime is 45099211. The next prime is 45099253. The reversal of 45099249 is 94299054.

It is not a de Polignac number, because 45099249 - 2⁸ = 45098993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45099249.

It is not an unprimeable number, because it can be changed into a prime (45099209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33349 + ... + 34674.

It is an arithmetic number, because the mean of its divisors is an integer number (4285512).

Almost surely, 2^45099249 is an apocalyptic number.

It is an amenable number.

45099249 is a deficient number, since it is larger than the sum of its proper divisors (23468943).

45099249 is a wasteful number, since it uses less digits than its factorization.

45099249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68056.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 45099249 is about 6715.5974417769. The cubic root of 45099249 is about 355.9506333305.

It can be divided in two parts, 450 and 99249, that added together give a palindrome (99699).

The spelling of 45099249 in words is "forty-five million, ninety-nine thousand, two hundred forty-nine".