144281836 has 12 divisors (see below), whose sum is σ = 256632880. Its totient is φ = 70958160.

The previous prime is 144281831. The next prime is 144281849. The reversal of 144281836 is 638182441.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 144281795 and 144281804.

It is not an unprimeable number, because it can be changed into a prime (144281831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295416 + ... + 295903.

Almost surely, 2^144281836 is an apocalyptic number.

It is an amenable number.

144281836 is a deficient number, since it is larger than the sum of its proper divisors (112351044).

144281836 is a wasteful number, since it uses less digits than its factorization.

144281836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591384 (or 591382 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 144281836 is about 12011.7374263676. The cubic root of 144281836 is about 524.4900093608.

The spelling of 144281836 in words is "one hundred forty-four million, two hundred eighty-one thousand, eight hundred thirty-six".