18295042 has 4 divisors (see below), whose sum is σ = 27442566. Its totient is φ = 9147520.

The previous prime is 18295037. The next prime is 18295091. The reversal of 18295042 is 24059281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24059281 = 89 ⋅270329.

It can be written as a sum of positive squares in only one way, i.e., 17065161 + 1229881 = 4131^2 + 1109^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 18294995 and 18295013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4573759 + ... + 4573762.

Almost surely, 2^18295042 is an apocalyptic number.

18295042 is a deficient number, since it is larger than the sum of its proper divisors (9147524).

18295042 is an equidigital number, since it uses as much as digits as its factorization.

18295042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147523.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 18295042 is about 4277.2703912659. The cubic root of 18295042 is about 263.4982914889.

The spelling of 18295042 in words is "eighteen million, two hundred ninety-five thousand, forty-two".