45399060 has 144 divisors (see below), whose sum is σ = 159134976. Its totient is φ = 10262016.

The previous prime is 45399059. The next prime is 45399073. The reversal of 45399060 is 6099354.

It is a super-2 number, since 2×45399060² = 4122149297767200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172489 + ... + 172751.

It is an arithmetic number, because the mean of its divisors is an integer number (1105104).

Almost surely, 2^45399060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45399060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79567488).

45399060 is an abundant number, since it is smaller than the sum of its proper divisors (113735916).

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

45399060 is a wasteful number, since it uses less digits than its factorization.

45399060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 45399060 is about 6737.8824566773. The cubic root of 45399060 is about 356.7376553413.

The spelling of 45399060 in words is "forty-five million, three hundred ninety-nine thousand, sixty".