144936837269 has 4 divisors (see below), whose sum is σ = 165642099744. Its totient is φ = 124231574796.

The previous prime is 144936837239. The next prime is 144936837277. The reversal of 144936837269 is 962738639441.

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 not a de Polignac number, because 144936837269 - 2⁸ = 144936837013 is a prime.

It is a super-2 number, since 2×144936837269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144936837209) 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, 10352631227 + ... + 10352631240.

It is an arithmetic number, because the mean of its divisors is an integer number (41410524936).

Almost surely, 2^144936837269 is an apocalyptic number.

It is an amenable number.

144936837269 is a deficient number, since it is larger than the sum of its proper divisors (20705262475).

144936837269 is an equidigital number, since it uses as much as digits as its factorization.

144936837269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20705262474.

The product of its digits is 47029248, while the sum is 62.

The spelling of 144936837269 in words is "one hundred forty-four billion, nine hundred thirty-six million, eight hundred thirty-seven thousand, two hundred sixty-nine".