18234153 has 20 divisors (see below), whose sum is σ = 31130880. Its totient is φ = 10419192.

The previous prime is 18234143. The next prime is 18234179. The reversal of 18234153 is 35143281.

It is a happy number.

It is not a de Polignac number, because 18234153 - 2⁶ = 18234089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (18234103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15513 + ... + 16646.

It is an arithmetic number, because the mean of its divisors is an integer number (1556544).

Almost surely, 2^18234153 is an apocalyptic number.

It is an amenable number.

18234153 is a deficient number, since it is larger than the sum of its proper divisors (12896727).

18234153 is an equidigital number, since it uses as much as digits as its factorization.

18234153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32178 (or 32169 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 18234153 is about 4270.1467187908. The cubic root of 18234153 is about 263.2056442666.

The spelling of 18234153 in words is "eighteen million, two hundred thirty-four thousand, one hundred fifty-three".