45290832 has 80 divisors (see below), whose sum is σ = 125616960. Its totient is φ = 14017536.

The previous prime is 45290831. The next prime is 45290857. The reversal of 45290832 is 23809254.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45290793 and 45290802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45290831) 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 15 ways as a sum of consecutive naturals, for example, 47868 + ... + 48804.

It is an arithmetic number, because the mean of its divisors is an integer number (1570212).

Almost surely, 2^45290832 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 45290832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62808480).

45290832 is an abundant number, since it is smaller than the sum of its proper divisors (80326128).

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

45290832 is a wasteful number, since it uses less digits than its factorization.

45290832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 45290832 is about 6729.8463578302. The cubic root of 45290832 is about 356.4539510532.

The spelling of 45290832 in words is "forty-five million, two hundred ninety thousand, eight hundred thirty-two".