144423199 has 8 divisors (see below), whose sum is σ = 152138240. Its totient is φ = 136719576.

The previous prime is 144423179. The next prime is 144423221. The reversal of 144423199 is 991324441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144423199 - 2⁹ = 144422687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144423179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38944 + ... + 42490.

It is an arithmetic number, because the mean of its divisors is an integer number (19017280).

Almost surely, 2^144423199 is an apocalyptic number.

144423199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144423199 is a deficient number, since it is larger than the sum of its proper divisors (7715041).

144423199 is a wasteful number, since it uses less digits than its factorization.

144423199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709.

The product of its digits is 31104, while the sum is 37.

The square root of 144423199 is about 12017.6203551285. The cubic root of 144423199 is about 524.6612466232.

The spelling of 144423199 in words is "one hundred forty-four million, four hundred twenty-three thousand, one hundred ninety-nine".