144163715 has 4 divisors (see below), whose sum is σ = 172996464. Its totient is φ = 115330968.

The previous prime is 144163709. The next prime is 144163717. The reversal of 144163715 is 517361441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517361441 = 79 ⋅6548879.

It is a cyclic number.

It is not a de Polignac number, because 144163715 - 2¹⁰ = 144162691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144163717) 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 3 ways as a sum of consecutive naturals, for example, 14416367 + ... + 14416376.

It is an arithmetic number, because the mean of its divisors is an integer number (43249116).

Almost surely, 2^144163715 is an apocalyptic number.

144163715 is a deficient number, since it is larger than the sum of its proper divisors (28832749).

144163715 is an equidigital number, since it uses as much as digits as its factorization.

144163715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28832748.

The product of its digits is 10080, while the sum is 32.

The square root of 144163715 is about 12006.8195205891. The cubic root of 144163715 is about 524.3468400368.

It can be divided in two parts, 1441 and 63715, that added together give a palindrome (65156).

The spelling of 144163715 in words is "one hundred forty-four million, one hundred sixty-three thousand, seven hundred fifteen".