144748686 has 16 divisors (see below), whose sum is σ = 299480400. Its totient is φ = 46585728.

The previous prime is 144748663. The next prime is 144748711. The reversal of 144748686 is 686847441.

144748686 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 415771 + ... + 416118.

It is an arithmetic number, because the mean of its divisors is an integer number (18717525).

Almost surely, 2^144748686 is an apocalyptic number.

144748686 is an abundant number, since it is smaller than the sum of its proper divisors (154731714).

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

144748686 is a wasteful number, since it uses less digits than its factorization.

144748686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831923.

The product of its digits is 1032192, while the sum is 48.

The square root of 144748686 is about 12031.1548074156. The cubic root of 144748686 is about 525.0550944448.

The spelling of 144748686 in words is "one hundred forty-four million, seven hundred forty-eight thousand, six hundred eighty-six".