45321792 has 56 divisors (see below), whose sum is σ = 120859296. Its totient is φ = 14988288.

The previous prime is 45321791. The next prime is 45321797. The reversal of 45321792 is 29712354.

It is not an unprimeable number, because it can be changed into a prime (45321791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25443 + ... + 27165.

Almost surely, 2^45321792 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 45321792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60429648).

45321792 is an abundant number, since it is smaller than the sum of its proper divisors (75537504).

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

45321792 is a wasteful number, since it uses less digits than its factorization.

45321792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1865 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 45321792 is about 6732.1461659711. The cubic root of 45321792 is about 356.5351543944.

The spelling of 45321792 in words is "forty-five million, three hundred twenty-one thousand, seven hundred ninety-two".