144348686 has 16 divisors (see below), whose sum is σ = 221722704. Its totient is φ = 70460544.

The previous prime is 144348661. The next prime is 144348697. The reversal of 144348686 is 686843441.

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, 10376 + ... + 19908.

It is an arithmetic number, because the mean of its divisors is an integer number (13857669).

Almost surely, 2^144348686 is an apocalyptic number.

144348686 is a deficient number, since it is larger than the sum of its proper divisors (77374018).

144348686 is a wasteful number, since it uses less digits than its factorization.

144348686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9715.

The product of its digits is 442368, while the sum is 44.

The square root of 144348686 is about 12014.5197989766. The cubic root of 144348686 is about 524.5710007139.

The spelling of 144348686 in words is "one hundred forty-four million, three hundred forty-eight thousand, six hundred eighty-six".