144001031 has 4 divisors (see below), whose sum is σ = 144364152. Its totient is φ = 143637912.

The previous prime is 144001027. The next prime is 144001063. The reversal of 144001031 is 130100441.

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 144001031 - 2² = 144001027 is a prime.

It is a super-2 number, since 2×144001031² = 41472593858125922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144000997 and 144001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144001001) 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, 180965 + ... + 181758.

It is an arithmetic number, because the mean of its divisors is an integer number (36091038).

Almost surely, 2^144001031 is an apocalyptic number.

144001031 is a deficient number, since it is larger than the sum of its proper divisors (363121).

144001031 is an equidigital number, since it uses as much as digits as its factorization.

144001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363120.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 144001031 is about 12000.0429582564. The cubic root of 144001031 is about 524.1495297575.

Adding to 144001031 its reverse (130100441), we get a palindrome (274101472).

The spelling of 144001031 in words is "one hundred forty-four million, one thousand, thirty-one".