44156899 has 4 divisors (see below), whose sum is σ = 44355136. Its totient is φ = 43958664.

The previous prime is 44156891. The next prime is 44156909. The reversal of 44156899 is 99865144.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 44156899 - 2³ = 44156891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44156891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98784 + ... + 99229.

It is an arithmetic number, because the mean of its divisors is an integer number (11088784).

Almost surely, 2^44156899 is an apocalyptic number.

44156899 is a deficient number, since it is larger than the sum of its proper divisors (198237).

44156899 is a wasteful number, since it uses less digits than its factorization.

44156899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198236.

The product of its digits is 311040, while the sum is 46.

The square root of 44156899 is about 6645.0657634067. The cubic root of 44156899 is about 353.4539631035.

The spelling of 44156899 in words is "forty-four million, one hundred fifty-six thousand, eight hundred ninety-nine".