45018999 has 12 divisors (see below), whose sum is σ = 68450200. Its totient is φ = 28432944.

The previous prime is 45018949. The next prime is 45019001. The reversal of 45018999 is 99981054.

It is not a de Polignac number, because 45018999 - 2¹³ = 45010807 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 (45018929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131464 + ... + 131805.

Almost surely, 2^45018999 is an apocalyptic number.

45018999 is a deficient number, since it is larger than the sum of its proper divisors (23431201).

45018999 is a wasteful number, since it uses less digits than its factorization.

45018999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263294 (or 263291 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 45018999 is about 6709.6198849115. The cubic root of 45018999 is about 355.7393807510.

The spelling of 45018999 in words is "forty-five million, eighteen thousand, nine hundred ninety-nine".