144261713 has 4 divisors (see below), whose sum is σ = 145397760. Its totient is φ = 143125668.

The previous prime is 144261709. The next prime is 144261731. The reversal of 144261713 is 317162441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144261713 - 2² = 144261709 is a prime.

It is a super-2 number, since 2×144261713² = 41622883675388738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144261743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567833 + ... + 568086.

It is an arithmetic number, because the mean of its divisors is an integer number (36349440).

Almost surely, 2^144261713 is an apocalyptic number.

It is an amenable number.

144261713 is a deficient number, since it is larger than the sum of its proper divisors (1136047).

144261713 is a wasteful number, since it uses less digits than its factorization.

144261713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136046.

The product of its digits is 4032, while the sum is 29.

The square root of 144261713 is about 12010.8997581364. The cubic root of 144261713 is about 524.4656246716.

The spelling of 144261713 in words is "one hundred forty-four million, two hundred sixty-one thousand, seven hundred thirteen".