45851232 has 144 divisors (see below), whose sum is σ = 144135936. Its totient is φ = 12499200.

The previous prime is 45851207. The next prime is 45851293. The reversal of 45851232 is 23215854.

It is a self number, because there is not a number n which added to its sum of digits gives 45851232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645757 + ... + 645827.

It is an arithmetic number, because the mean of its divisors is an integer number (1000944).

Almost surely, 2^45851232 is an apocalyptic number.

45851232 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 45851232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72067968).

45851232 is an abundant number, since it is smaller than the sum of its proper divisors (98284704).

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

45851232 is a wasteful number, since it uses less digits than its factorization.

45851232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 114 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 45851232 is about 6771.3537789721. The cubic root of 45851232 is about 357.9181070030.

The spelling of 45851232 in words is "forty-five million, eight hundred fifty-one thousand, two hundred thirty-two".