45185499 has 16 divisors (see below), whose sum is σ = 67079040. Its totient is φ = 30061800.

The previous prime is 45185489. The next prime is 45185531. The reversal of 45185499 is 99458154.

It is not a de Polignac number, because 45185499 - 2⁸ = 45185243 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45185419) 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, 14424 + ... + 17274.

It is an arithmetic number, because the mean of its divisors is an integer number (4192440).

Almost surely, 2^45185499 is an apocalyptic number.

45185499 is a deficient number, since it is larger than the sum of its proper divisors (21893541).

45185499 is a wasteful number, since it uses less digits than its factorization.

45185499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447 (or 3441 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 45185499 is about 6722.0159922452. The cubic root of 45185499 is about 356.1774012729.

The spelling of 45185499 in words is "forty-five million, one hundred eighty-five thousand, four hundred ninety-nine".