144408285 has 128 divisors (see below), whose sum is σ = 317260800. Its totient is φ = 60825600.

The previous prime is 144408281. The next prime is 144408293. The reversal of 144408285 is 582804441.

It is not a de Polignac number, because 144408285 - 2² = 144408281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144408281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1429735 + ... + 1429835.

It is an arithmetic number, because the mean of its divisors is an integer number (2478600).

Almost surely, 2^144408285 is an apocalyptic number.

144408285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144408285 is an abundant number, since it is smaller than the sum of its proper divisors (172852515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144408285 is a wasteful number, since it uses less digits than its factorization.

144408285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 144408285 is about 12016.9998335691. Note that the first 3 decimals coincide. The cubic root of 144408285 is about 524.6431861194.

The spelling of 144408285 in words is "one hundred forty-four million, four hundred eight thousand, two hundred eighty-five".