18492045 has 64 divisors (see below), whose sum is σ = 35852544. Its totient is φ = 8017920.

The previous prime is 18492041. The next prime is 18492049. The reversal of 18492045 is 54029481.

It is an interprime number because it is at equal distance from previous prime (18492041) and next prime (18492049).

It is not a de Polignac number, because 18492045 - 2² = 18492041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 18491997 and 18492015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18492041) 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 in 63 ways as a sum of consecutive naturals, for example, 79249 + ... + 79481.

It is an arithmetic number, because the mean of its divisors is an integer number (560196).

Almost surely, 2^18492045 is an apocalyptic number.

18492045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18492045 is a deficient number, since it is larger than the sum of its proper divisors (17360499).

18492045 is a wasteful number, since it uses less digits than its factorization.

18492045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 18492045 is about 4300.2377841231. The cubic root of 18492045 is about 264.4407095971.

It can be divided in two parts, 184 and 92045, that added together give a palindrome (92229).

The spelling of 18492045 in words is "eighteen million, four hundred ninety-two thousand, forty-five".