144134979 has 8 divisors (see below), whose sum is σ = 194083152. Its totient is φ = 95138400.

The previous prime is 144134957. The next prime is 144134981. The reversal of 144134979 is 979431441.

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

It is not a de Polignac number, because 144134979 - 2⁹ = 144134467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144134979.

It is not an unprimeable number, because it can be changed into a prime (144134929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 237544 + ... + 238149.

It is an arithmetic number, because the mean of its divisors is an integer number (24260394).

Almost surely, 2^144134979 is an apocalyptic number.

144134979 is a deficient number, since it is larger than the sum of its proper divisors (49948173).

144134979 is a wasteful number, since it uses less digits than its factorization.

144134979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475797.

The product of its digits is 108864, while the sum is 42.

The square root of 144134979 is about 12005.6228076681. The cubic root of 144134979 is about 524.3119985557.

The spelling of 144134979 in words is "one hundred forty-four million, one hundred thirty-four thousand, nine hundred seventy-nine".