144645188833 has 4 divisors (see below), whose sum is σ = 144650725168. Its totient is φ = 144639652500.

The previous prime is 144645188827. The next prime is 144645188861. The reversal of 144645188833 is 338881546441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144645188833 - 2⁵ = 144645188801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144645188813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2728791 + ... + 2781292.

It is an arithmetic number, because the mean of its divisors is an integer number (36162681292).

Almost surely, 2^144645188833 is an apocalyptic number.

It is an amenable number.

144645188833 is a deficient number, since it is larger than the sum of its proper divisors (5536335).

144645188833 is an equidigital number, since it uses as much as digits as its factorization.

144645188833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536334.

The product of its digits is 8847360, while the sum is 55.

The spelling of 144645188833 in words is "one hundred forty-four billion, six hundred forty-five million, one hundred eighty-eight thousand, eight hundred thirty-three".