45271566 has 36 divisors (see below), whose sum is σ = 103537512. Its totient is φ = 14294232.

The previous prime is 45271559. The next prime is 45271571. The reversal of 45271566 is 66517254.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45271566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3015 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (2876042).

Almost surely, 2^45271566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45271566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51768756).

45271566 is an abundant number, since it is smaller than the sum of its proper divisors (58265946).

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

45271566 is a wasteful number, since it uses less digits than its factorization.

45271566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013 (or 6991 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 45271566 is about 6728.4148207434. The cubic root of 45271566 is about 356.4034006032.

The spelling of 45271566 in words is "forty-five million, two hundred seventy-one thousand, five hundred sixty-six".