144438373 has 4 divisors (see below), whose sum is σ = 145541088. Its totient is φ = 143335660.

The previous prime is 144438347. The next prime is 144438391. The reversal of 144438373 is 373834441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 373834441 = 1151 ⋅324791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144438373 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 (144438673) 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, 551161 + ... + 551422.

It is an arithmetic number, because the mean of its divisors is an integer number (36385272).

Almost surely, 2^144438373 is an apocalyptic number.

It is an amenable number.

144438373 is a deficient number, since it is larger than the sum of its proper divisors (1102715).

144438373 is a wasteful number, since it uses less digits than its factorization.

144438373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102714.

The product of its digits is 96768, while the sum is 37.

The square root of 144438373 is about 12018.2516615355. The cubic root of 144438373 is about 524.6796207049.

The spelling of 144438373 in words is "one hundred forty-four million, four hundred thirty-eight thousand, three hundred seventy-three".