18245469 has 12 divisors (see below), whose sum is σ = 26740448. Its totient is φ = 11057640.

The previous prime is 18245443. The next prime is 18245483. The reversal of 18245469 is 96454281.

It is not a de Polignac number, because 18245469 - 2⁷ = 18245341 is a prime.

It is a super-2 number, since 2×18245469² = 665794278059922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18245419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24769 + ... + 25494.

Almost surely, 2^18245469 is an apocalyptic number.

It is an amenable number.

18245469 is a deficient number, since it is larger than the sum of its proper divisors (8494979).

18245469 is a wasteful number, since it uses less digits than its factorization.

18245469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50288 (or 50277 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 18245469 is about 4271.4715263010. The cubic root of 18245469 is about 263.2600809264.

The spelling of 18245469 in words is "eighteen million, two hundred forty-five thousand, four hundred sixty-nine".