144064786 has 8 divisors (see below), whose sum is σ = 216195084. Its totient is φ = 71999760.

The previous prime is 144064777. The next prime is 144064813. The reversal of 144064786 is 687460441.

It can be written as a sum of positive squares in 2 ways, for example, as 142922025 + 1142761 = 11955^2 + 1069^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10365 + ... + 19888.

Almost surely, 2^144064786 is an apocalyptic number.

144064786 is a deficient number, since it is larger than the sum of its proper divisors (72130298).

144064786 is a wasteful number, since it uses less digits than its factorization.

144064786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32636.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 144064786 is about 12002.6991131162. The cubic root of 144064786 is about 524.2268723120.

The spelling of 144064786 in words is "one hundred forty-four million, sixty-four thousand, seven hundred eighty-six".