109859045 has 16 divisors (see below), whose sum is σ = 139328640. Its totient is φ = 82926144.

The previous prime is 109859027. The next prime is 109859051. The reversal of 109859045 is 540958901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109859045 - 2¹⁸ = 109596901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109858993 and 109859011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22787 + ... + 27183.

It is an arithmetic number, because the mean of its divisors is an integer number (8708040).

Almost surely, 2^109859045 is an apocalyptic number.

It is an amenable number.

109859045 is a deficient number, since it is larger than the sum of its proper divisors (29469595).

109859045 is a wasteful number, since it uses less digits than its factorization.

109859045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 109859045 is about 10481.3665616655. The cubic root of 109859045 is about 478.9372392613.

The spelling of 109859045 in words is "one hundred nine million, eight hundred fifty-nine thousand, forty-five".