144020965 has 16 divisors (see below), whose sum is σ = 188770176. Its totient is φ = 104612800.

The previous prime is 144020951. The next prime is 144020971. The reversal of 144020965 is 569020441.

144020965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144020965 - 2⁷ = 144020837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82239 + ... + 83971.

It is an arithmetic number, because the mean of its divisors is an integer number (11798136).

Almost surely, 2^144020965 is an apocalyptic number.

It is an amenable number.

144020965 is a deficient number, since it is larger than the sum of its proper divisors (44749211).

144020965 is a wasteful number, since it uses less digits than its factorization.

144020965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 144020965 is about 12000.8735098742. The cubic root of 144020965 is about 524.1737145719.

The spelling of 144020965 in words is "one hundred forty-four million, twenty thousand, nine hundred sixty-five".