45450452 has 18 divisors (see below), whose sum is σ = 84494382. Its totient is φ = 21387904.

The previous prime is 45450443. The next prime is 45450463. The reversal of 45450452 is 25405454.

It can be written as a sum of positive squares in 3 ways, for example, as 26666896 + 18783556 = 5164^2 + 4334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18503 + ... + 20814.

Almost surely, 2^45450452 is an apocalyptic number.

It is an amenable number.

45450452 is a deficient number, since it is larger than the sum of its proper divisors (39043930).

45450452 is a wasteful number, since it uses less digits than its factorization.

45450452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355 (or 39336 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 45450452 is about 6741.6950390833. The cubic root of 45450452 is about 356.8722142805.

The spelling of 45450452 in words is "forty-five million, four hundred fifty thousand, four hundred fifty-two".