18454495 has 4 divisors (see below), whose sum is σ = 22145400. Its totient is φ = 14763592.

The previous prime is 18454483. The next prime is 18454507. The reversal of 18454495 is 59445481.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (18454483) and next prime (18454507).

It is a cyclic number.

It is not a de Polignac number, because 18454495 - 2¹³ = 18446303 is a prime.

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, 1845445 + ... + 1845454.

It is an arithmetic number, because the mean of its divisors is an integer number (5536350).

Almost surely, 2^18454495 is an apocalyptic number.

18454495 is a deficient number, since it is larger than the sum of its proper divisors (3690905).

18454495 is an equidigital number, since it uses as much as digits as its factorization.

18454495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690904.

The product of its digits is 115200, while the sum is 40.

The square root of 18454495 is about 4295.8695278139. The cubic root of 18454495 is about 264.2615969505.

The spelling of 18454495 in words is "eighteen million, four hundred fifty-four thousand, four hundred ninety-five".