45469312 has 64 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 18846720.

The previous prime is 45469297. The next prime is 45469357. The reversal of 45469312 is 21396454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26958 + ... + 28594.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^45469312 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 45469312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53464320).

45469312 is an abundant number, since it is smaller than the sum of its proper divisors (61459328).

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

45469312 is a wasteful number, since it uses less digits than its factorization.

45469312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1677 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 45469312 is about 6743.0936520265. The cubic root of 45469312 is about 356.9215697061.

The spelling of 45469312 in words is "forty-five million, four hundred sixty-nine thousand, three hundred twelve".