144305863 has 8 divisors (see below), whose sum is σ = 156833600. Its totient is φ = 131982048.

The previous prime is 144305851. The next prime is 144305879. The reversal of 144305863 is 368503441.

It is a happy number.

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 144305863 - 2⁹ = 144305351 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 (144305813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49503 + ... + 52336.

It is an arithmetic number, because the mean of its divisors is an integer number (19604200).

Almost surely, 2^144305863 is an apocalyptic number.

144305863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144305863 is a deficient number, since it is larger than the sum of its proper divisors (12527737).

144305863 is a wasteful number, since it uses less digits than its factorization.

144305863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101961.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 144305863 is about 12012.7375314705. The cubic root of 144305863 is about 524.5191218773.

The spelling of 144305863 in words is "one hundred forty-four million, three hundred five thousand, eight hundred sixty-three".