45252166 has 4 divisors (see below), whose sum is σ = 67878252. Its totient is φ = 22626082.

The previous prime is 45252161. The next prime is 45252173. The reversal of 45252166 is 66125254.

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

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 not an unprimeable number, because it can be changed into a prime (45252161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313040 + ... + 11313043.

It is an arithmetic number, because the mean of its divisors is an integer number (16969563).

Almost surely, 2^45252166 is an apocalyptic number.

45252166 is a deficient number, since it is larger than the sum of its proper divisors (22626086).

45252166 is a wasteful number, since it uses less digits than its factorization.

45252166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22626085.

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

The square root of 45252166 is about 6726.9730191223. The cubic root of 45252166 is about 356.3524840680.

The spelling of 45252166 in words is "forty-five million, two hundred fifty-two thousand, one hundred sixty-six".