45001140 has 24 divisors (see below), whose sum is σ = 126003360. Its totient is φ = 12000288.

The previous prime is 45001123. The next prime is 45001147. The reversal of 45001140 is 4110054.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374950 + ... + 375069.

It is an arithmetic number, because the mean of its divisors is an integer number (5250140).

Almost surely, 2^45001140 is an apocalyptic number.

It is an amenable number.

45001140 is an abundant number, since it is smaller than the sum of its proper divisors (81002220).

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

45001140 is a wasteful number, since it uses less digits than its factorization.

45001140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750031 (or 750029 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 45001140 is about 6708.2889025444. The cubic root of 45001140 is about 355.6923340224.

Adding to 45001140 its reverse (4110054), we get a palindrome (49111194).

The spelling of 45001140 in words is "forty-five million, one thousand, one hundred forty".