45281792 has 40 divisors (see below), whose sum is σ = 92070000. Its totient is φ = 22242304.

The previous prime is 45281791. The next prime is 45281801. The reversal of 45281792 is 29718254.

It is not an unprimeable number, because it can be changed into a prime (45281791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29459 + ... + 30957.

It is an arithmetic number, because the mean of its divisors is an integer number (2301750).

Almost surely, 2^45281792 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 45281792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46035000).

45281792 is an abundant number, since it is smaller than the sum of its proper divisors (46788208).

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

45281792 is an equidigital number, since it uses as much as digits as its factorization.

45281792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1560 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 45281792 is about 6729.1746893657. The cubic root of 45281792 is about 356.4302335369.

The spelling of 45281792 in words is "forty-five million, two hundred eighty-one thousand, seven hundred ninety-two".