45492249 has 16 divisors (see below), whose sum is σ = 66723264. Its totient is φ = 27568640.

The previous prime is 45492241. The next prime is 45492259. The reversal of 45492249 is 94229454.

It is not a de Polignac number, because 45492249 - 2³ = 45492241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45492241) 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, 1704 + ... + 9689.

It is an arithmetic number, because the mean of its divisors is an integer number (4170204).

Almost surely, 2^45492249 is an apocalyptic number.

It is an amenable number.

45492249 is a deficient number, since it is larger than the sum of its proper divisors (21231015).

45492249 is a wasteful number, since it uses less digits than its factorization.

45492249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429 (or 11407 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 45492249 is about 6744.7942148000. The cubic root of 45492249 is about 356.9815759937.

It can be divided in two parts, 45 and 492249, that added together give a palindrome (492294).

The spelling of 45492249 in words is "forty-five million, four hundred ninety-two thousand, two hundred forty-nine".