45223252 has 6 divisors (see below), whose sum is σ = 79140698. Its totient is φ = 22611624.

The previous prime is 45223231. The next prime is 45223253. The reversal of 45223252 is 25232254.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 10010896 = 5934^2 + 3164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45223253) 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, 5652903 + ... + 5652910.

Almost surely, 2^45223252 is an apocalyptic number.

It is an amenable number.

45223252 is a deficient number, since it is larger than the sum of its proper divisors (33917446).

45223252 is a wasteful number, since it uses less digits than its factorization.

45223252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11305817 (or 11305815 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 45223252 is about 6724.8235664588. The cubic root of 45223252 is about 356.2765704200.

The spelling of 45223252 in words is "forty-five million, two hundred twenty-three thousand, two hundred fifty-two".