45024140 has 36 divisors (see below), whose sum is σ = 109989936. Its totient is φ = 15436512.

The previous prime is 45024131. The next prime is 45024157. The reversal of 45024140 is 4142054.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21992 + ... + 23951.

It is an arithmetic number, because the mean of its divisors is an integer number (3055276).

Almost surely, 2^45024140 is an apocalyptic number.

It is an amenable number.

45024140 is an abundant number, since it is smaller than the sum of its proper divisors (64965796).

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

45024140 is a wasteful number, since it uses less digits than its factorization.

45024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45966 (or 45957 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 45024140 is about 6710.0029806253. The cubic root of 45024140 is about 355.7529216011.

Adding to 45024140 its reverse (4142054), we get a palindrome (49166194).

The spelling of 45024140 in words is "forty-five million, twenty-four thousand, one hundred forty".