144879693 has 32 divisors (see below), whose sum is σ = 233303040. Its totient is φ = 78122880.

The previous prime is 144879677. The next prime is 144879719. The reversal of 144879693 is 396978441.

It is not a de Polignac number, because 144879693 - 2⁴ = 144879677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144875693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131521 + ... + 132617.

It is an arithmetic number, because the mean of its divisors is an integer number (7290720).

Almost surely, 2^144879693 is an apocalyptic number.

It is an amenable number.

144879693 is a deficient number, since it is larger than the sum of its proper divisors (88423347).

144879693 is a wasteful number, since it uses less digits than its factorization.

144879693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its digits is 1306368, while the sum is 51.

The square root of 144879693 is about 12036.5980658989. The cubic root of 144879693 is about 525.2134497137.

The spelling of 144879693 in words is "one hundred forty-four million, eight hundred seventy-nine thousand, six hundred ninety-three".