18145627 has 8 divisors (see below), whose sum is σ = 19425600. Its totient is φ = 16898184.

The previous prime is 18145529. The next prime is 18145637. The reversal of 18145627 is 72654181.

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

It is a cyclic number.

It is not a de Polignac number, because 18145627 - 2²³ = 9757019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18145592 and 18145601.

It is not an unprimeable number, because it can be changed into a prime (18145637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6973 + ... + 9214.

It is an arithmetic number, because the mean of its divisors is an integer number (2428200).

Almost surely, 2^18145627 is an apocalyptic number.

18145627 is a deficient number, since it is larger than the sum of its proper divisors (1279973).

18145627 is a wasteful number, since it uses less digits than its factorization.

18145627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16265.

The product of its digits is 13440, while the sum is 34.

The square root of 18145627 is about 4259.7684209356. The cubic root of 18145627 is about 262.7790025210.

The spelling of 18145627 in words is "eighteen million, one hundred forty-five thousand, six hundred twenty-seven".