45261166 has 4 divisors (see below), whose sum is σ = 67891752. Its totient is φ = 22630582.

The previous prime is 45261143. The next prime is 45261179. The reversal of 45261166 is 66116254.

45261166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66116254 = 2 ⋅33058127.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11315290 + ... + 11315293.

It is an arithmetic number, because the mean of its divisors is an integer number (16972938).

Almost surely, 2^45261166 is an apocalyptic number.

45261166 is a deficient number, since it is larger than the sum of its proper divisors (22630586).

45261166 is a wasteful number, since it uses less digits than its factorization.

45261166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22630585.

The product of its digits is 8640, while the sum is 31.

The square root of 45261166 is about 6727.6419345860. The cubic root of 45261166 is about 356.3761069502.

The spelling of 45261166 in words is "forty-five million, two hundred sixty-one thousand, one hundred sixty-six".