45840166 has 4 divisors (see below), whose sum is σ = 68760252. Its totient is φ = 22920082.

The previous prime is 45840139. The next prime is 45840167. The reversal of 45840166 is 66104854.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11460040 + ... + 11460043.

It is an arithmetic number, because the mean of its divisors is an integer number (17190063).

Almost surely, 2^45840166 is an apocalyptic number.

45840166 is a deficient number, since it is larger than the sum of its proper divisors (22920086).

45840166 is a wasteful number, since it uses less digits than its factorization.

45840166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22920085.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 45840166 is about 6770.5366109342. The cubic root of 45840166 is about 357.8893106816.

The spelling of 45840166 in words is "forty-five million, eight hundred forty thousand, one hundred sixty-six".