109994545 has 4 divisors (see below), whose sum is σ = 131993460. Its totient is φ = 87995632.

The previous prime is 109994537. The next prime is 109994551. The reversal of 109994545 is 545499901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86992929 + 23001616 = 9327^2 + 4796^2 .

It is a cyclic number.

It is not a de Polignac number, because 109994545 - 2³ = 109994537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109994495 and 109994504.

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, 10999450 + ... + 10999459.

It is an arithmetic number, because the mean of its divisors is an integer number (32998365).

Almost surely, 2^109994545 is an apocalyptic number.

It is an amenable number.

109994545 is a deficient number, since it is larger than the sum of its proper divisors (21998915).

109994545 is an equidigital number, since it uses as much as digits as its factorization.

109994545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998914.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 109994545 is about 10487.8284215561. The cubic root of 109994545 is about 479.1340652131.

The spelling of 109994545 in words is "one hundred nine million, nine hundred ninety-four thousand, five hundred forty-five".