868144152 has 64 divisors (see below), whose sum is σ = 2200124160. Its totient is φ = 285436800.

The previous prime is 868144141. The next prime is 868144153. The reversal of 868144152 is 251441868.

It is a self number, because there is not a number n which added to its sum of digits gives 868144152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868144153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817702 + ... + 818762.

It is an arithmetic number, because the mean of its divisors is an integer number (34376940).

Almost surely, 2^868144152 is an apocalyptic number.

It is an amenable number.

868144152 is an abundant number, since it is smaller than the sum of its proper divisors (1331980008).

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

868144152 is a wasteful number, since it uses less digits than its factorization.

868144152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1500 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 868144152 is about 29464.2860425974. The cubic root of 868144152 is about 953.9609879928.

The spelling of 868144152 in words is "eight hundred sixty-eight million, one hundred forty-four thousand, one hundred fifty-two".