109289454 has 8 divisors (see below), whose sum is σ = 218578920. Its totient is φ = 36429816.

The previous prime is 109289431. The next prime is 109289471. The reversal of 109289454 is 454982901.

It is a sphenic number, since it is the product of 3 distinct primes.

109289454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9107449 + ... + 9107460.

It is an arithmetic number, because the mean of its divisors is an integer number (27322365).

Almost surely, 2^109289454 is an apocalyptic number.

109289454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

109289454 is a wasteful number, since it uses less digits than its factorization.

109289454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18214914.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 109289454 is about 10454.1596505889. The cubic root of 109289454 is about 478.1080823268.

The spelling of 109289454 in words is "one hundred nine million, two hundred eighty-nine thousand, four hundred fifty-four".