144507643 has 8 divisors (see below), whose sum is σ = 172332288. Its totient is φ = 118478184.

The previous prime is 144507619. The next prime is 144507659. The reversal of 144507643 is 346705441.

144507643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144507643 - 2⁵ = 144507611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144507599 and 144507608.

It is not an unprimeable number, because it can be changed into a prime (144507613) 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, 448621 + ... + 448942.

It is an arithmetic number, because the mean of its divisors is an integer number (21541536).

Almost surely, 2^144507643 is an apocalyptic number.

144507643 is a deficient number, since it is larger than the sum of its proper divisors (27824645).

144507643 is an equidigital number, since it uses as much as digits as its factorization.

144507643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897593.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 144507643 is about 12021.1331828576. The cubic root of 144507643 is about 524.7634828809.

The spelling of 144507643 in words is "one hundred forty-four million, five hundred seven thousand, six hundred forty-three".