45290232 has 96 divisors (see below), whose sum is σ = 136558800. Its totient is φ = 13825728.

The previous prime is 45290177. The next prime is 45290239. The reversal of 45290232 is 23209254.

45290232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45290232² = 4102410229227648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45290196 and 45290205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45290239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356553 + ... + 356679.

Almost surely, 2^45290232 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 45290232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68279400).

45290232 is an abundant number, since it is smaller than the sum of its proper divisors (91268568).

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

45290232 is a wasteful number, since it uses less digits than its factorization.

45290232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45290232 is about 6729.8017801418. The cubic root of 45290232 is about 356.4523769795.

Adding to 45290232 its reverse (23209254), we get a palindrome (68499486).

The spelling of 45290232 in words is "forty-five million, two hundred ninety thousand, two hundred thirty-two".