45131124 has 48 divisors (see below), whose sum is σ = 112166208. Its totient is φ = 14074368.

The previous prime is 45131117. The next prime is 45131147. The reversal of 45131124 is 42113154.

It is a self number, because there is not a number n which added to its sum of digits gives 45131124.

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, 39627 + ... + 40749.

It is an arithmetic number, because the mean of its divisors is an integer number (2336796).

Almost surely, 2^45131124 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 45131124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56083104).

45131124 is an abundant number, since it is smaller than the sum of its proper divisors (67035084).

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

45131124 is a wasteful number, since it uses less digits than its factorization.

45131124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1342 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 45131124 is about 6717.9702291689. The cubic root of 45131124 is about 356.0344725277.

Adding to 45131124 its reverse (42113154), we get a palindrome (87244278).

The spelling of 45131124 in words is "forty-five million, one hundred thirty-one thousand, one hundred twenty-four".