109450 has 24 divisors (see below), whose sum is σ = 223200. Its totient is φ = 39600.

The previous prime is 109441. The next prime is 109451. The reversal of 109450 is 54901.

109450 = T₁₂ + T₁₃ + ... + T₈₆.

It is an Ulam number.

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 11 ways as a sum of consecutive naturals, for example, 451 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (9300).

2¹⁰⁹⁴⁵⁰ is an apocalyptic number.

109450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109450 is an abundant number, since it is smaller than the sum of its proper divisors (113750).

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

109450 is a wasteful number, since it uses less digits than its factorization.

109450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 109450 is about 330.8322837935. The cubic root of 109450 is about 47.8342081071.

The spelling of 109450 in words is "one hundred nine thousand, four hundred fifty".