45540660 has 48 divisors (see below), whose sum is σ = 139108032. Its totient is φ = 11040000.

The previous prime is 45540659. The next prime is 45540679. The reversal of 45540660 is 6604554.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33841 + ... + 35160.

It is an arithmetic number, because the mean of its divisors is an integer number (2898084).

Almost surely, 2^45540660 is an apocalyptic number.

It is an amenable number.

45540660 is an abundant number, since it is smaller than the sum of its proper divisors (93567372).

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

45540660 is a wasteful number, since it uses less digits than its factorization.

45540660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69024 (or 69022 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 45540660 is about 6748.3820283087. The cubic root of 45540660 is about 357.1081595244.

The spelling of 45540660 in words is "forty-five million, five hundred forty thousand, six hundred sixty".