45513412 has 48 divisors (see below), whose sum is σ = 98300160. Its totient is φ = 18006912.

The previous prime is 45513409. The next prime is 45513421. The reversal of 45513412 is 21431554.

It is a happy 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, 17458 + ... + 19894.

It is an arithmetic number, because the mean of its divisors is an integer number (2047920).

Almost surely, 2^45513412 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 45513412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49150080).

45513412 is an abundant number, since it is smaller than the sum of its proper divisors (52786748).

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

45513412 is a wasteful number, since it uses less digits than its factorization.

45513412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2498 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 45513412 is about 6746.3628719481. The cubic root of 45513412 is about 357.0369233702.

Adding to 45513412 its reverse (21431554), we get a palindrome (66944966).

The spelling of 45513412 in words is "forty-five million, five hundred thirteen thousand, four hundred twelve".