144314261 has 12 divisors (see below), whose sum is σ = 180790092. Its totient is φ = 114182208.

The previous prime is 144314257. The next prime is 144314267. The reversal of 144314261 is 162413441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72573361 + 71740900 = 8519^2 + 8470^2 .

It is not a de Polignac number, because 144314261 - 2² = 144314257 is a prime.

It is a super-2 number, since 2×144314261² = 41653211855952242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144314261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144314267) 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 11 ways as a sum of consecutive naturals, for example, 112640 + ... + 113913.

It is an arithmetic number, because the mean of its divisors is an integer number (15065841).

Almost surely, 2^144314261 is an apocalyptic number.

It is an amenable number.

144314261 is a deficient number, since it is larger than the sum of its proper divisors (36475831).

144314261 is a wasteful number, since it uses less digits than its factorization.

144314261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226580 (or 226573 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 144314261 is about 12013.0870720227. The cubic root of 144314261 is about 524.5292966224.

The spelling of 144314261 in words is "one hundred forty-four million, three hundred fourteen thousand, two hundred sixty-one".