868236148 has 18 divisors (see below), whose sum is σ = 1645283094. Its totient is φ = 400724064.

The previous prime is 868236113. The next prime is 868236151. The reversal of 868236148 is 841632868.

868236148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8456464 + 859779684 = 2908^2 + 29322^2 .

It is a junction number, because it is equal to n+sod(n) for n = 868236098 and 868236107.

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, 641511 + ... + 642862.

Almost surely, 2^868236148 is an apocalyptic number.

It is an amenable number.

868236148 is a deficient number, since it is larger than the sum of its proper divisors (777046946).

868236148 is a wasteful number, since it uses less digits than its factorization.

868236148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284403 (or 1284388 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 868236148 is about 29465.8471454666. The cubic root of 868236148 is about 953.9946834320.

It can be divided in two parts, 868 and 236148, that added together give a triangular number (237016 = T₆₈₈).

The spelling of 868236148 in words is "eight hundred sixty-eight million, two hundred thirty-six thousand, one hundred forty-eight".