109453478 has 8 divisors (see below), whose sum is σ = 166630872. Its totient is φ = 53909856.

The previous prime is 109453457. The next prime is 109453483. The reversal of 109453478 is 874354901.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408275 + ... + 408542.

It is an arithmetic number, because the mean of its divisors is an integer number (20828859).

Almost surely, 2^109453478 is an apocalyptic number.

109453478 is a deficient number, since it is larger than the sum of its proper divisors (57177394).

109453478 is an equidigital number, since it uses as much as digits as its factorization.

109453478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816886.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 109453478 is about 10462.0016249282. The cubic root of 109453478 is about 478.3471477865.

The spelling of 109453478 in words is "one hundred nine million, four hundred fifty-three thousand, four hundred seventy-eight".