144594393 has 8 divisors (see below), whose sum is σ = 192928128. Its totient is φ = 96328464.

The previous prime is 144594391. The next prime is 144594397. The reversal of 144594393 is 393495441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144594393 - 2¹ = 144594391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144594391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11746 + ... + 20667.

It is an arithmetic number, because the mean of its divisors is an integer number (24116016).

Almost surely, 2^144594393 is an apocalyptic number.

It is an amenable number.

144594393 is a deficient number, since it is larger than the sum of its proper divisors (48333735).

144594393 is a wasteful number, since it uses less digits than its factorization.

144594393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33903.

The product of its digits is 233280, while the sum is 42.

The square root of 144594393 is about 12024.7408703889. The cubic root of 144594393 is about 524.8684695442.

The spelling of 144594393 in words is "one hundred forty-four million, five hundred ninety-four thousand, three hundred ninety-three".