45240492 has 96 divisors (see below), whose sum is σ = 121040640. Its totient is φ = 13029120.

The previous prime is 45240479. The next prime is 45240499. The reversal of 45240492 is 29404254.

It is not an unprimeable number, because it can be changed into a prime (45240499) 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 31 ways as a sum of consecutive naturals, for example, 288078 + ... + 288234.

It is an arithmetic number, because the mean of its divisors is an integer number (1260840).

Almost surely, 2^45240492 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 45240492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60520320).

45240492 is an abundant number, since it is smaller than the sum of its proper divisors (75800148).

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

45240492 is a wasteful number, since it uses less digits than its factorization.

45240492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 45240492 is about 6726.1052623342. The cubic root of 45240492 is about 356.3218378982.

The spelling of 45240492 in words is "forty-five million, two hundred forty thousand, four hundred ninety-two".