144429793 has 4 divisors (see below), whose sum is σ = 145832128. Its totient is φ = 143027460.

The previous prime is 144429787. The next prime is 144429797. The reversal of 144429793 is 397924441.

144429793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144429793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144429797) 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, 701013 + ... + 701218.

It is an arithmetic number, because the mean of its divisors is an integer number (36458032).

Almost surely, 2^144429793 is an apocalyptic number.

It is an amenable number.

144429793 is a deficient number, since it is larger than the sum of its proper divisors (1402335).

144429793 is a wasteful number, since it uses less digits than its factorization.

144429793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402334.

The product of its digits is 217728, while the sum is 43.

The square root of 144429793 is about 12017.8946991559. The cubic root of 144429793 is about 524.6692314060.

The spelling of 144429793 in words is "one hundred forty-four million, four hundred twenty-nine thousand, seven hundred ninety-three".