144286474 has 8 divisors (see below), whose sum is σ = 216976068. Its totient is φ = 71961120.

The previous prime is 144286393. The next prime is 144286481. The reversal of 144286474 is 474682441.

It can be written as a sum of positive squares in 2 ways, for example, as 142635249 + 1651225 = 11943^2 + 1285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 90067 + ... + 91654.

Almost surely, 2^144286474 is an apocalyptic number.

144286474 is a deficient number, since it is larger than the sum of its proper divisors (72689594).

144286474 is a wasteful number, since it uses less digits than its factorization.

144286474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182120.

The product of its digits is 172032, while the sum is 40.

The square root of 144286474 is about 12011.9304859793. The cubic root of 144286474 is about 524.4956292842.

It can be divided in two parts, 14428 and 6474, that added together give a palindrome (20902).

The spelling of 144286474 in words is "one hundred forty-four million, two hundred eighty-six thousand, four hundred seventy-four".