109983745 has 16 divisors (see below), whose sum is σ = 135272592. Its totient is φ = 85812480.

The previous prime is 109983743. The next prime is 109983749. The reversal of 109983745 is 547389901.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17073424 + 92910321 = 4132^2 + 9639^2 .

It is not a de Polignac number, because 109983745 - 2¹ = 109983743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109983695 and 109983704.

It is not an unprimeable number, because it can be changed into a prime (109983743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46819 + ... + 49111.

It is an arithmetic number, because the mean of its divisors is an integer number (8454537).

Almost surely, 2^109983745 is an apocalyptic number.

It is an amenable number.

109983745 is a deficient number, since it is larger than the sum of its proper divisors (25288847).

109983745 is a wasteful number, since it uses less digits than its factorization.

109983745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 109983745 is about 10487.3135263517. The cubic root of 109983745 is about 479.1183831710.

The spelling of 109983745 in words is "one hundred nine million, nine hundred eighty-three thousand, seven hundred forty-five".