144061643 has 4 divisors (see below), whose sum is σ = 157158168. Its totient is φ = 130965120.

The previous prime is 144061639. The next prime is 144061649. The reversal of 144061643 is 346160441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346160441 = 11 ⋅31469131.

It is not a de Polignac number, because 144061643 - 2² = 144061639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144061649) 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, 6548246 + ... + 6548267.

It is an arithmetic number, because the mean of its divisors is an integer number (39289542).

Almost surely, 2^144061643 is an apocalyptic number.

144061643 is a deficient number, since it is larger than the sum of its proper divisors (13096525).

144061643 is a wasteful number, since it uses less digits than its factorization.

144061643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13096524.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 144061643 is about 12002.5681835181. The cubic root of 144061643 is about 524.2230600063.

The spelling of 144061643 in words is "one hundred forty-four million, sixty-one thousand, six hundred forty-three".