45261666 has 24 divisors (see below), whose sum is σ = 101700144. Its totient is φ = 15087060.

The previous prime is 45261659. The next prime is 45261691. The reversal of 45261666 is 66616254.

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 45261666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46080 + ... + 47051.

It is an arithmetic number, because the mean of its divisors is an integer number (4237506).

Almost surely, 2^45261666 is an apocalyptic number.

45261666 is an abundant number, since it is smaller than the sum of its proper divisors (56438478).

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

45261666 is an equidigital number, since it uses as much as digits as its factorization.

45261666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93148 (or 93136 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 45261666 is about 6727.6790946061. The cubic root of 45261666 is about 356.3774192407.

The spelling of 45261666 in words is "forty-five million, two hundred sixty-one thousand, six hundred sixty-six".