45666626 has 4 divisors (see below), whose sum is σ = 68499942. Its totient is φ = 22833312.

The previous prime is 45666623. The next prime is 45666631. The reversal of 45666626 is 62666654.

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., 30261001 + 15405625 = 5501^2 + 3925^2 .

It is not an unprimeable number, because it can be changed into a prime (45666623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11416655 + ... + 11416658.

Almost surely, 2^45666626 is an apocalyptic number.

45666626 is a deficient number, since it is larger than the sum of its proper divisors (22833316).

45666626 is a wasteful number, since it uses less digits than its factorization.

45666626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22833315.

The product of its digits is 311040, while the sum is 41.

The square root of 45666626 is about 6757.7086353290. The cubic root of 45666626 is about 357.4371115355.

The spelling of 45666626 in words is "forty-five million, six hundred sixty-six thousand, six hundred twenty-six".