45285940 has 24 divisors (see below), whose sum is σ = 108686592. Its totient is φ = 15526560.

The previous prime is 45285917. The next prime is 45285953. The reversal of 45285940 is 4958254.

It is a self number, because there is not a number n which added to its sum of digits gives 45285940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161596 + ... + 161875.

It is an arithmetic number, because the mean of its divisors is an integer number (4528608).

Almost surely, 2^45285940 is an apocalyptic number.

It is an amenable number.

45285940 is an abundant number, since it is smaller than the sum of its proper divisors (63400652).

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

45285940 is a wasteful number, since it uses less digits than its factorization.

45285940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323487 (or 323485 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 45285940 is about 6729.4828924666. The cubic root of 45285940 is about 356.4411167006.

It can be divided in two parts, 45285 and 940, that added together give a square (46225 = 215²).

The spelling of 45285940 in words is "forty-five million, two hundred eighty-five thousand, nine hundred forty".