45352992 has 48 divisors (see below), whose sum is σ = 119629440. Its totient is φ = 15044352.

The previous prime is 45352949. The next prime is 45352997. The reversal of 45352992 is 29925354.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 45352992.

It is not an unprimeable number, because it can be changed into a prime (45352997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20953 + ... + 23015.

It is an arithmetic number, because the mean of its divisors is an integer number (2492280).

Almost surely, 2^45352992 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 45352992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59814720).

45352992 is an abundant number, since it is smaller than the sum of its proper divisors (74276448).

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

45352992 is a wasteful number, since it uses less digits than its factorization.

45352992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2297 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 45352992 is about 6734.4630075456. The cubic root of 45352992 is about 356.6169498155.

The spelling of 45352992 in words is "forty-five million, three hundred fifty-two thousand, nine hundred ninety-two".