144042973 has 4 divisors (see below), whose sum is σ = 144067840. Its totient is φ = 144018108.

The previous prime is 144042967. The next prime is 144042979. The reversal of 144042973 is 379240441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (144042967) and next prime (144042979).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144042973 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 (144042979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (36016960).

Almost surely, 2^144042973 is an apocalyptic number.

It is an amenable number.

144042973 is a deficient number, since it is larger than the sum of its proper divisors (24867).

144042973 is an equidigital number, since it uses as much as digits as its factorization.

144042973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24866.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 144042973 is about 12001.7904081016. The cubic root of 144042973 is about 524.2004130635.

The spelling of 144042973 in words is "one hundred forty-four million, forty-two thousand, nine hundred seventy-three".