109245478 has 8 divisors (see below), whose sum is σ = 172492920. Its totient is φ = 51747840.

The previous prime is 109245463. The next prime is 109245481. The reversal of 109245478 is 874542901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 109245478.

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, 1437403 + ... + 1437478.

It is an arithmetic number, because the mean of its divisors is an integer number (21561615).

Almost surely, 2^109245478 is an apocalyptic number.

109245478 is a deficient number, since it is larger than the sum of its proper divisors (63247442).

109245478 is a wasteful number, since it uses less digits than its factorization.

109245478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874902.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 109245478 is about 10452.0561613493. The cubic root of 109245478 is about 478.0439465206.

The spelling of 109245478 in words is "one hundred nine million, two hundred forty-five thousand, four hundred seventy-eight".