144039578889 has 4 divisors (see below), whose sum is σ = 192052771856. Its totient is φ = 96026385924.

The previous prime is 144039578869. The next prime is 144039578909. The reversal of 144039578889 is 988875930441.

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 an interprime number because it is at equal distance from previous prime (144039578869) and next prime (144039578909).

It is not a de Polignac number, because 144039578889 - 2¹² = 144039574793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144039578869) 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, 24006596479 + ... + 24006596484.

It is an arithmetic number, because the mean of its divisors is an integer number (48013192964).

Almost surely, 2^144039578889 is an apocalyptic number.

It is an amenable number.

144039578889 is a deficient number, since it is larger than the sum of its proper divisors (48013192967).

144039578889 is an equidigital number, since it uses as much as digits as its factorization.

144039578889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48013192966.

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 144039578889 in words is "one hundred forty-four billion, thirty-nine million, five hundred seventy-eight thousand, eight hundred eighty-nine".