109545838 has 4 divisors (see below), whose sum is σ = 164318760. Its totient is φ = 54772918.

The previous prime is 109545823. The next prime is 109545857. The reversal of 109545838 is 838545901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838545901 = 137 ⋅6120773.

It is a junction number, because it is equal to n+sod(n) for n = 109545794 and 109545803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27386458 + ... + 27386461.

It is an arithmetic number, because the mean of its divisors is an integer number (41079690).

Almost surely, 2^109545838 is an apocalyptic number.

109545838 is a deficient number, since it is larger than the sum of its proper divisors (54772922).

109545838 is an equidigital number, since it uses as much as digits as its factorization.

109545838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54772921.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 109545838 is about 10466.4147634231. The cubic root of 109545838 is about 478.4816576634.

The spelling of 109545838 in words is "one hundred nine million, five hundred forty-five thousand, eight hundred thirty-eight".