45105372 has 72 divisors (see below), whose sum is σ = 126788480. Its totient is φ = 13426560.

The previous prime is 45105367. The next prime is 45105391. The reversal of 45105372 is 27350154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12954 + ... + 16062.

Almost surely, 2^45105372 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 45105372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63394240).

45105372 is an abundant number, since it is smaller than the sum of its proper divisors (81683108).

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

45105372 is a wasteful number, since it uses less digits than its factorization.

45105372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163 (or 3158 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45105372 is about 6716.0533053275. The cubic root of 45105372 is about 355.9667414118.

The spelling of 45105372 in words is "forty-five million, one hundred five thousand, three hundred seventy-two".