109458 has 16 divisors (see below), whose sum is σ = 243360. Its totient is φ = 36468.

The previous prime is 109453. The next prime is 109469. The reversal of 109458 is 854901.

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

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 (109451) by changing a digit.

109458 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960 + ... + 1067.

It is an arithmetic number, because the mean of its divisors is an integer number (15210).

2¹⁰⁹⁴⁵⁸ is an apocalyptic number.

109458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

109458 is an abundant number, since it is smaller than the sum of its proper divisors (133902).

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

109458 is a wasteful number, since it uses less digits than its factorization.

109458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 109458 is about 330.8443742910. The cubic root of 109458 is about 47.8353735231.

The spelling of 109458 in words is "one hundred nine thousand, four hundred fifty-eight".