144363385 has 8 divisors (see below), whose sum is σ = 173784456. Its totient is φ = 115125120.

The previous prime is 144363379. The next prime is 144363389. The reversal of 144363385 is 583363441.

It can be written as a sum of positive squares in 4 ways, for example, as 4272489 + 140090896 = 2067^2 + 11836^2 .

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

It is not a de Polignac number, because 144363385 - 2¹¹ = 144361337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144363389) 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, 43956 + ... + 47125.

It is an arithmetic number, because the mean of its divisors is an integer number (21723057).

Almost surely, 2^144363385 is an apocalyptic number.

It is an amenable number.

144363385 is a deficient number, since it is larger than the sum of its proper divisors (29421071).

144363385 is an equidigital number, since it uses as much as digits as its factorization.

144363385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91403.

The product of its digits is 103680, while the sum is 37.

The square root of 144363385 is about 12015.1315015692. The cubic root of 144363385 is about 524.5888057656.

The spelling of 144363385 in words is "one hundred forty-four million, three hundred sixty-three thousand, three hundred eighty-five".