144144885 has 16 divisors (see below), whose sum is σ = 238072320. Its totient is φ = 74397120.

The previous prime is 144144883. The next prime is 144144899. The reversal of 144144885 is 588441441.

It is a happy number.

It is not a de Polignac number, because 144144885 - 2¹ = 144144883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144144883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154530 + ... + 155459.

It is an arithmetic number, because the mean of its divisors is an integer number (14879520).

Almost surely, 2^144144885 is an apocalyptic number.

144144885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144144885 is a deficient number, since it is larger than the sum of its proper divisors (93927435).

144144885 is a wasteful number, since it uses less digits than its factorization.

144144885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310028.

The product of its digits is 81920, while the sum is 39.

The square root of 144144885 is about 12006.0353572693. The cubic root of 144144885 is about 524.3240097869.

The spelling of 144144885 in words is "one hundred forty-four million, one hundred forty-four thousand, eight hundred eighty-five".