144678285 has 32 divisors (see below), whose sum is σ = 257748480. Its totient is φ = 76999104.

The previous prime is 144678263. The next prime is 144678301. The reversal of 144678285 is 582876441.

It is not a de Polignac number, because 144678285 - 2⁵ = 144678253 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 144678285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90604 + ... + 92186.

It is an arithmetic number, because the mean of its divisors is an integer number (8054640).

Almost surely, 2^144678285 is an apocalyptic number.

144678285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144678285 is a deficient number, since it is larger than the sum of its proper divisors (113070195).

144678285 is a wasteful number, since it uses less digits than its factorization.

144678285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 2268 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 144678285 is about 12028.2286725852. The cubic root of 144678285 is about 524.9699574646.

The spelling of 144678285 in words is "one hundred forty-four million, six hundred seventy-eight thousand, two hundred eighty-five".