45655974 has 160 divisors (see below), whose sum is σ = 133351680. Its totient is φ = 11337408.

The previous prime is 45655957. The next prime is 45655979. The reversal of 45655974 is 47955654.

45655974 is a `hidden beast` number, since 4 + 56 + 5 + 597 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (756000) is a multiple of the sum of its prime factors (216).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45655979) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 280017 + ... + 280179.

It is an arithmetic number, because the mean of its divisors is an integer number (833448).

Almost surely, 2^45655974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45655974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66675840).

45655974 is an abundant number, since it is smaller than the sum of its proper divisors (87695706).

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

45655974 is a wasteful number, since it uses less digits than its factorization.

45655974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 207 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 45655974 is about 6756.9204523955. The cubic root of 45655974 is about 357.4093179620.

The spelling of 45655974 in words is "forty-five million, six hundred fifty-five thousand, nine hundred seventy-four".