45813012 has 48 divisors (see below), whose sum is σ = 123658752. Its totient is φ = 12929760.

The previous prime is 45813007. The next prime is 45813023. The reversal of 45813012 is 21031854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3687 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (2576224).

Almost surely, 2^45813012 is an apocalyptic number.

45813012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45813012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61829376).

45813012 is an abundant number, since it is smaller than the sum of its proper divisors (77845740).

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

45813012 is a wasteful number, since it uses less digits than its factorization.

45813012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668 (or 6666 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 45813012 is about 6768.5310075378. The cubic root of 45813012 is about 357.8186299758.

Adding to 45813012 its reverse (21031854), we get a palindrome (66844866).

The spelling of 45813012 in words is "forty-five million, eight hundred thirteen thousand, twelve".