110645643 has 16 divisors (see below), whose sum is σ = 155124000. Its totient is φ = 70049280.

The previous prime is 110645629. The next prime is 110645653. The reversal of 110645643 is 346546011.

It is not a de Polignac number, because 110645643 - 2⁵ = 110645611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110645643.

It is not an unprimeable number, because it can be changed into a prime (110645653) 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, 5118 + ... + 15731.

It is an arithmetic number, because the mean of its divisors is an integer number (9695250).

Almost surely, 2^110645643 is an apocalyptic number.

110645643 is a deficient number, since it is larger than the sum of its proper divisors (44478357).

110645643 is a wasteful number, since it uses less digits than its factorization.

110645643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20942.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 110645643 is about 10518.8232706895. The cubic root of 110645643 is about 480.0775959622.

The spelling of 110645643 in words is "one hundred ten million, six hundred forty-five thousand, six hundred forty-three".