43144099 has 4 divisors (see below), whose sum is σ = 43159480. Its totient is φ = 43128720.

The previous prime is 43144081. The next prime is 43144111. The reversal of 43144099 is 99044134.

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 43144099 - 2²⁵ = 9589667 is a prime.

It is a super-2 number, since 2×43144099² = 3722826557043602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43124099) 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, 2154 + ... + 9535.

It is an arithmetic number, because the mean of its divisors is an integer number (10789870).

Almost surely, 2^43144099 is an apocalyptic number.

43144099 is a deficient number, since it is larger than the sum of its proper divisors (15381).

43144099 is a wasteful number, since it uses less digits than its factorization.

43144099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15380.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 43144099 is about 6568.4167803208. The cubic root of 43144099 is about 350.7307155574.

The spelling of 43144099 in words is "forty-three million, one hundred forty-four thousand, ninety-nine".