144286644 has 24 divisors (see below), whose sum is σ = 341695648. Its totient is φ = 47377440.

The previous prime is 144286631. The next prime is 144286657. The reversal of 144286644 is 446682441.

It is an interprime number because it is at equal distance from previous prime (144286631) and next prime (144286657).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88927 + ... + 90534.

Almost surely, 2^144286644 is an apocalyptic number.

It is an amenable number.

144286644 is an abundant number, since it is smaller than the sum of its proper divisors (197409004).

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

144286644 is a wasteful number, since it uses less digits than its factorization.

144286644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179535 (or 179533 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 144286644 is about 12011.9375622753. The cubic root of 144286644 is about 524.4958352730.

The spelling of 144286644 in words is "one hundred forty-four million, two hundred eighty-six thousand, six hundred forty-four".