144493234 has 32 divisors (see below), whose sum is σ = 234178560. Its totient is φ = 66624768.

The previous prime is 144493171. The next prime is 144493247. The reversal of 144493234 is 432394441.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 144493234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470509 + ... + 470815.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^144493234 is an apocalyptic number.

144493234 is a deficient number, since it is larger than the sum of its proper divisors (89685326).

144493234 is a wasteful number, since it uses less digits than its factorization.

144493234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its digits is 41472, while the sum is 34.

The square root of 144493234 is about 12020.5338483779. The cubic root of 144493234 is about 524.7460407393.

The spelling of 144493234 in words is "one hundred forty-four million, four hundred ninety-three thousand, two hundred thirty-four".