109452 has 24 divisors (see below), whose sum is σ = 292096. Its totient is φ = 31248.

The previous prime is 109451. The next prime is 109453. The reversal of 109452 is 254901.

It is an interprime number because it is at equal distance from previous prime (109451) and next prime (109453).

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (109451) 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, 568 + ... + 735.

2¹⁰⁹⁴⁵² is an apocalyptic number.

109452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109452 is an abundant number, since it is smaller than the sum of its proper divisors (182644).

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

109452 is a wasteful number, since it uses less digits than its factorization.

109452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 109452 is about 330.8353064593. The cubic root of 109452 is about 47.8344994664.

It can be divided in two parts, 109 and 452, that added together give a triangular number (561 = T₃₃).

The spelling of 109452 in words is "one hundred nine thousand, four hundred fifty-two".