144853387 has 4 divisors (see below), whose sum is σ = 165546736. Its totient is φ = 124160040.

The previous prime is 144853367. The next prime is 144853411. The reversal of 144853387 is 783358441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783358441 = 4583 ⋅170927.

It is a cyclic number.

It is not a de Polignac number, because 144853387 - 2⁷ = 144853259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144853307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10346664 + ... + 10346677.

It is an arithmetic number, because the mean of its divisors is an integer number (41386684).

Almost surely, 2^144853387 is an apocalyptic number.

144853387 is a deficient number, since it is larger than the sum of its proper divisors (20693349).

144853387 is an equidigital number, since it uses as much as digits as its factorization.

144853387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20693348.

The product of its digits is 322560, while the sum is 43.

The square root of 144853387 is about 12035.5052656712. The cubic root of 144853387 is about 525.1816598863.

The spelling of 144853387 in words is "one hundred forty-four million, eight hundred fifty-three thousand, three hundred eighty-seven".