18141252 has 24 divisors (see below), whose sum is σ = 42474432. Its totient is φ = 6026400.

The previous prime is 18141251. The next prime is 18141283. The reversal of 18141252 is 25214181.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (18141251) 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, 1302 + ... + 6162.

It is an arithmetic number, because the mean of its divisors is an integer number (1769768).

Almost surely, 2^18141252 is an apocalyptic number.

18141252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18141252 is an abundant number, since it is smaller than the sum of its proper divisors (24333180).

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

18141252 is a wasteful number, since it uses less digits than its factorization.

18141252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179 (or 5177 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 18141252 is about 4259.2548644100. The cubic root of 18141252 is about 262.7578817197.

Adding to 18141252 its sum of digits (24), we get a triangular number (18141276 = T₆₀₂₃).

The spelling of 18141252 in words is "eighteen million, one hundred forty-one thousand, two hundred fifty-two".