144429497 has 4 divisors (see below), whose sum is σ = 144454800. Its totient is φ = 144404196.

The previous prime is 144429491. The next prime is 144429503. The reversal of 144429497 is 794924441.

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 (144429491) and next prime (144429503).

It is a cyclic number.

It is not a de Polignac number, because 144429497 - 2²⁴ = 127652281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144429491) 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, 398 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (36113700).

Almost surely, 2^144429497 is an apocalyptic number.

It is an amenable number.

144429497 is a deficient number, since it is larger than the sum of its proper divisors (25303).

144429497 is an equidigital number, since it uses as much as digits as its factorization.

144429497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302.

The product of its digits is 290304, while the sum is 44.

The square root of 144429497 is about 12017.8823841807. The cubic root of 144429497 is about 524.6688729799.

The spelling of 144429497 in words is "one hundred forty-four million, four hundred twenty-nine thousand, four hundred ninety-seven".