144155843 has 4 divisors (see below), whose sum is σ = 155244768. Its totient is φ = 133066920.

The previous prime is 144155827. The next prime is 144155849. The reversal of 144155843 is 348551441.

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 144155843 - 2⁴ = 144155827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144155849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5544443 + ... + 5544468.

It is an arithmetic number, because the mean of its divisors is an integer number (38811192).

Almost surely, 2^144155843 is an apocalyptic number.

144155843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144155843 is a deficient number, since it is larger than the sum of its proper divisors (11088925).

144155843 is a wasteful number, since it uses less digits than its factorization.

144155843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088924.

The product of its digits is 38400, while the sum is 35.

The square root of 144155843 is about 12006.4917024083. The cubic root of 144155843 is about 524.3372959490.

The spelling of 144155843 in words is "one hundred forty-four million, one hundred fifty-five thousand, eight hundred forty-three".