45000140 has 24 divisors (see below), whose sum is σ = 97055952. Its totient is φ = 17513280.

The previous prime is 45000133. The next prime is 45000149. The reversal of 45000140 is 4100054.

It is not an unprimeable number, because it can be changed into a prime (45000149) 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, 29666 + ... + 31145.

It is an arithmetic number, because the mean of its divisors is an integer number (4043998).

Almost surely, 2^45000140 is an apocalyptic number.

It is an amenable number.

45000140 is an abundant number, since it is smaller than the sum of its proper divisors (52055812).

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

45000140 is a wasteful number, since it uses less digits than its factorization.

45000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60857 (or 60855 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 45000140 is about 6708.2143674751. The cubic root of 45000140 is about 355.6896993116.

Adding to 45000140 its reverse (4100054), we get a palindrome (49100194).

The spelling of 45000140 in words is "forty-five million, one hundred forty", and thus it is an aban number.