144145031 has 4 divisors (see below), whose sum is σ = 144178752. Its totient is φ = 144111312.

The previous prime is 144144977. The next prime is 144145061. The reversal of 144145031 is 130541441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130541441 = 29 ⋅4501429.

It is a cyclic number.

It is not a de Polignac number, because 144145031 - 2⁶ = 144144967 is a prime.

It is a super-2 number, since 2×144145031² = 41555579923981922, 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 = 144144988 and 144145006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144145061) 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, 9326 + ... + 19371.

It is an arithmetic number, because the mean of its divisors is an integer number (36044688).

Almost surely, 2^144145031 is an apocalyptic number.

144145031 is a deficient number, since it is larger than the sum of its proper divisors (33721).

144145031 is an equidigital number, since it uses as much as digits as its factorization.

144145031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33720.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 144145031 is about 12006.0414375430. The cubic root of 144145031 is about 524.3241868108.

Adding to 144145031 its reverse (130541441), we get a palindrome (274686472).

The spelling of 144145031 in words is "one hundred forty-four million, one hundred forty-five thousand, thirty-one".