144246836 has 18 divisors (see below), whose sum is σ = 268156518. Its totient is φ = 67880320.

The previous prime is 144246797. The next prime is 144246863. The reversal of 144246836 is 638642441.

It can be written as a sum of positive squares in 3 ways, for example, as 66912400 + 77334436 = 8180^2 + 8794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144246836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61235 + ... + 63546.

Almost surely, 2^144246836 is an apocalyptic number.

It is an amenable number.

144246836 is a deficient number, since it is larger than the sum of its proper divisors (123909682).

144246836 is a wasteful number, since it uses less digits than its factorization.

144246836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124819 (or 124800 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 144246836 is about 12010.2804296986. The cubic root of 144246836 is about 524.4475955328.

The spelling of 144246836 in words is "one hundred forty-four million, two hundred forty-six thousand, eight hundred thirty-six".