181452 has 12 divisors (see below), whose sum is σ = 423416. Its totient is φ = 60480.

The previous prime is 181439. The next prime is 181457. The reversal of 181452 is 254181.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 181452.

It is not an unprimeable number, because it can be changed into a prime (181457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7549 + ... + 7572.

2¹⁸¹⁴⁵² is an apocalyptic number.

181452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

181452 is an abundant number, since it is smaller than the sum of its proper divisors (241964).

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

181452 is a wasteful number, since it uses less digits than its factorization.

181452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15128 (or 15126 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 181452 is about 425.9718300545. The cubic root of 181452 is about 56.6135758035.

The spelling of 181452 in words is "one hundred eighty-one thousand, four hundred fifty-two".