18514442 has 8 divisors (see below), whose sum is σ = 27958500. Its totient is φ = 9194944.

The previous prime is 18514429. The next prime is 18514451. The reversal of 18514442 is 24441581.

It can be written as a sum of positive squares in 2 ways, for example, as 18412681 + 101761 = 4291^2 + 319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30767 + ... + 31362.

Almost surely, 2^18514442 is an apocalyptic number.

18514442 is a deficient number, since it is larger than the sum of its proper divisors (9444058).

18514442 is a wasteful number, since it uses less digits than its factorization.

18514442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62280.

The product of its digits is 5120, while the sum is 29.

The square root of 18514442 is about 4302.8411544002. The cubic root of 18514442 is about 264.5474273607.

The spelling of 18514442 in words is "eighteen million, five hundred fourteen thousand, four hundred forty-two".