144653543 has 8 divisors (see below), whose sum is σ = 145618512. Its totient is φ = 143692416.

The previous prime is 144653539. The next prime is 144653549. The reversal of 144653543 is 345356441.

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 144653543 - 2² = 144653539 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 (144653549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116321 + ... + 117557.

It is an arithmetic number, because the mean of its divisors is an integer number (18202314).

Almost surely, 2^144653543 is an apocalyptic number.

144653543 is a deficient number, since it is larger than the sum of its proper divisors (964969).

144653543 is a wasteful number, since it uses less digits than its factorization.

144653543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its digits is 86400, while the sum is 35.

The square root of 144653543 is about 12027.2001313689. The cubic root of 144653543 is about 524.9400300358.

The spelling of 144653543 in words is "one hundred forty-four million, six hundred fifty-three thousand, five hundred forty-three".