144961279 has 8 divisors (see below), whose sum is σ = 153530240. Its totient is φ = 136486296.

The previous prime is 144961231. The next prime is 144961303. The reversal of 144961279 is 972169441.

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

It is a cyclic number.

It is not a de Polignac number, because 144961279 - 2⁷ = 144961151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144964279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20307 + ... + 26500.

It is an arithmetic number, because the mean of its divisors is an integer number (19191280).

Almost surely, 2^144961279 is an apocalyptic number.

144961279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144961279 is a deficient number, since it is larger than the sum of its proper divisors (8568961).

144961279 is a wasteful number, since it uses less digits than its factorization.

144961279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46989.

The product of its digits is 108864, while the sum is 43.

The square root of 144961279 is about 12039.9866694278. The cubic root of 144961279 is about 525.3120189076.

The spelling of 144961279 in words is "one hundred forty-four million, nine hundred sixty-one thousand, two hundred seventy-nine".