153142866 has 64 divisors (see below), whose sum is σ = 352218240. Its totient is φ = 49291200.

The previous prime is 153142859. The next prime is 153142867. The reversal of 153142866 is 668241351.

It is a happy number.

153142866 is a `hidden beast` number, since 1 + 531 + 42 + 86 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 153142866.

It is not an unprimeable number, because it can be changed into a prime (153142867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234196 + ... + 234848.

It is an arithmetic number, because the mean of its divisors is an integer number (5503410).

Almost surely, 2^153142866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153142866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176109120).

153142866 is an abundant number, since it is smaller than the sum of its proper divisors (199075374).

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

153142866 is a wasteful number, since it uses less digits than its factorization.

153142866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 802 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 153142866 is about 12375.0905451233. The cubic root of 153142866 is about 535.0145464354.

The spelling of 153142866 in words is "one hundred fifty-three million, one hundred forty-two thousand, eight hundred sixty-six".