45251266 has 4 divisors (see below), whose sum is σ = 67876902. Its totient is φ = 22625632.

The previous prime is 45251257. The next prime is 45251273. The reversal of 45251266 is 66215254.

45251266 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.

It can be written as a sum of positive squares in only one way, i.e., 35820225 + 9431041 = 5985^2 + 3071^2 .

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 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, 11312815 + ... + 11312818.

Almost surely, 2^45251266 is an apocalyptic number.

45251266 is a deficient number, since it is larger than the sum of its proper divisors (22625636).

45251266 is a wasteful number, since it uses less digits than its factorization.

45251266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22625635.

The product of its digits is 14400, while the sum is 31.

The square root of 45251266 is about 6726.9061239176. The cubic root of 45251266 is about 356.3501216075.

The spelling of 45251266 in words is "forty-five million, two hundred fifty-one thousand, two hundred sixty-six".