144865137 has 8 divisors (see below), whose sum is σ = 193441536. Its totient is φ = 96432752.

The previous prime is 144865103. The next prime is 144865159. The reversal of 144865137 is 731568441.

144865137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144865137 - 2⁶ = 144865073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144865095 and 144865104.

It is not an unprimeable number, because it can be changed into a prime (144865337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33633 + ... + 37694.

It is an arithmetic number, because the mean of its divisors is an integer number (24180192).

Almost surely, 2^144865137 is an apocalyptic number.

It is an amenable number.

144865137 is a deficient number, since it is larger than the sum of its proper divisors (48576399).

144865137 is an equidigital number, since it uses as much as digits as its factorization.

144865137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72007.

The product of its digits is 80640, while the sum is 39.

The square root of 144865137 is about 12035.9933948137. The cubic root of 144865137 is about 525.1958598020.

The spelling of 144865137 in words is "one hundred forty-four million, eight hundred sixty-five thousand, one hundred thirty-seven".