144053643 has 16 divisors (see below), whose sum is σ = 200466720. Its totient is φ = 91897344.

The previous prime is 144053639. The next prime is 144053677. The reversal of 144053643 is 346350441.

It is not a de Polignac number, because 144053643 - 2² = 144053639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144053643.

It is not an unprimeable number, because it can be changed into a prime (144053603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505 + ... + 17157.

It is an arithmetic number, because the mean of its divisors is an integer number (12529170).

Almost surely, 2^144053643 is an apocalyptic number.

144053643 is a deficient number, since it is larger than the sum of its proper divisors (56413077).

144053643 is a wasteful number, since it uses less digits than its factorization.

144053643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 144053643 is about 12002.2349168811. The cubic root of 144053643 is about 524.2133561461.

The spelling of 144053643 in words is "one hundred forty-four million, fifty-three thousand, six hundred forty-three".