144434269187 has 16 divisors (see below), whose sum is σ = 157914043392. Its totient is φ = 131294196000.

The previous prime is 144434269183. The next prime is 144434269207. The reversal of 144434269187 is 781962434441.

It is a cyclic number.

It is not a de Polignac number, because 144434269187 - 2² = 144434269183 is a prime.

It is a super-2 number, since 2×144434269187² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144434269183) 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 15 ways as a sum of consecutive naturals, for example, 3066062 + ... + 3112812.

It is an arithmetic number, because the mean of its divisors is an integer number (9869627712).

Almost surely, 2^144434269187 is an apocalyptic number.

144434269187 is a deficient number, since it is larger than the sum of its proper divisors (13479774205).

144434269187 is a wasteful number, since it uses less digits than its factorization.

144434269187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50378.

The product of its digits is 4644864, while the sum is 53.

The spelling of 144434269187 in words is "one hundred forty-four billion, four hundred thirty-four million, two hundred sixty-nine thousand, one hundred eighty-seven".