144072618 has 16 divisors (see below), whose sum is σ = 294846816. Its totient is φ = 46907280.

The previous prime is 144072583. The next prime is 144072623. The reversal of 144072618 is 816270441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278953 + ... + 279468.

It is an arithmetic number, because the mean of its divisors is an integer number (18427926).

Almost surely, 2^144072618 is an apocalyptic number.

144072618 is an abundant number, since it is smaller than the sum of its proper divisors (150774198).

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

144072618 is a wasteful number, since it uses less digits than its factorization.

144072618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558469.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 144072618 is about 12003.0253686310. The cubic root of 144072618 is about 524.2363719049.

The spelling of 144072618 in words is "one hundred forty-four million, seventy-two thousand, six hundred eighteen".