45291366 has 64 divisors (see below), whose sum is σ = 107827200. Its totient is φ = 14041728.

The previous prime is 45291331. The next prime is 45291377. The reversal of 45291366 is 66319254.

It is a happy number.

45291366 is a `hidden beast` number, since 4 + 5 + 291 + 366 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 45291366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94315 + ... + 94793.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^45291366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45291366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53913600).

45291366 is an abundant number, since it is smaller than the sum of its proper divisors (62535834).

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

45291366 is a wasteful number, since it uses less digits than its factorization.

45291366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 604 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 45291366 is about 6729.8860317245. The cubic root of 45291366 is about 356.4553519670.

The spelling of 45291366 in words is "forty-five million, two hundred ninety-one thousand, three hundred sixty-six".