45144660 has 96 divisors (see below), whose sum is σ = 139934592. Its totient is φ = 10782720.

The previous prime is 45144623. The next prime is 45144661. The reversal of 45144660 is 6644154.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47712 + ... + 48648.

It is an arithmetic number, because the mean of its divisors is an integer number (1457652).

Almost surely, 2^45144660 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 45144660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69967296).

45144660 is an abundant number, since it is smaller than the sum of its proper divisors (94789932).

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

45144660 is a wasteful number, since it uses less digits than its factorization.

45144660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1031 counting only the distinct ones).

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

The square root of 45144660 is about 6718.9776007961. The cubic root of 45144660 is about 356.0700636413.

The spelling of 45144660 in words is "forty-five million, one hundred forty-four thousand, six hundred sixty".