18245452 has 6 divisors (see below), whose sum is σ = 31929548. Its totient is φ = 9122724.

The previous prime is 18245443. The next prime is 18245483. The reversal of 18245452 is 25454281.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280678 + ... + 2280685.

Almost surely, 2^18245452 is an apocalyptic number.

It is an amenable number.

18245452 is a deficient number, since it is larger than the sum of its proper divisors (13684096).

18245452 is a wasteful number, since it uses less digits than its factorization.

18245452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561367 (or 4561365 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 18245452 is about 4271.4695363540. The cubic root of 18245452 is about 263.2599991632.

The spelling of 18245452 in words is "eighteen million, two hundred forty-five thousand, four hundred fifty-two".