45004518 has 32 divisors (see below), whose sum is σ = 107704800. Its totient is φ = 13847328.

The previous prime is 45004517. The next prime is 45004523. The reversal of 45004518 is 81540054.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45004491 and 45004500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45004517) 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, 31353 + ... + 32756.

It is an arithmetic number, because the mean of its divisors is an integer number (3365775).

Almost surely, 2^45004518 is an apocalyptic number.

45004518 is an abundant number, since it is smaller than the sum of its proper divisors (62700282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45004518 is a wasteful number, since it uses less digits than its factorization.

45004518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64133 (or 64127 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 45004518 is about 6708.5406758847. The cubic root of 45004518 is about 355.7012337869.

The spelling of 45004518 in words is "forty-five million, four thousand, five hundred eighteen".