18029454 has 8 divisors (see below), whose sum is σ = 36058920. Its totient is φ = 6009816.

The previous prime is 18029441. The next prime is 18029477. The reversal of 18029454 is 45492081.

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

18029454 is an admirable number.

It is a super-2 number, since 2×18029454² = 650122423076232, which contains 22 as substring.

It is a congruent number.

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, 1502449 + ... + 1502460.

It is an arithmetic number, because the mean of its divisors is an integer number (4507365).

Almost surely, 2^18029454 is an apocalyptic number.

18029454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18029454 is a wasteful number, since it uses less digits than its factorization.

18029454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004914.

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

The square root of 18029454 is about 4246.1104554639. The cubic root of 18029454 is about 262.2170084055.

The spelling of 18029454 in words is "eighteen million, twenty-nine thousand, four hundred fifty-four".