45921792 has 80 divisors (see below), whose sum is σ = 139848192. Its totient is φ = 13117440.

The previous prime is 45921791. The next prime is 45921793. The reversal of 45921792 is 29712954.

It is an interprime number because it is at equal distance from previous prime (45921791) and next prime (45921793).

It is a self number, because there is not a number n which added to its sum of digits gives 45921792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45921791) 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, 8617 + ... + 12887.

Almost surely, 2^45921792 is an apocalyptic number.

45921792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45921792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69924096).

45921792 is an abundant number, since it is smaller than the sum of its proper divisors (93926400).

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

45921792 is an equidigital number, since it uses as much as digits as its factorization.

45921792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299 (or 4283 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 45921792 is about 6776.5619601683. The cubic root of 45921792 is about 358.1016117629.

The spelling of 45921792 in words is "forty-five million, nine hundred twenty-one thousand, seven hundred ninety-two".