143140864 has 48 divisors (see below), whose sum is σ = 294102900. Its totient is φ = 69599232.

The previous prime is 143140859. The next prime is 143140883. The reversal of 143140864 is 468041341.

It can be written as a sum of positive squares in 2 ways, for example, as 136422400 + 6718464 = 11680^2 + 2592^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74832 + ... + 76720.

Almost surely, 2^143140864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143140864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147051450).

143140864 is an abundant number, since it is smaller than the sum of its proper divisors (150962036).

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

143140864 is an equidigital number, since it uses as much as digits as its factorization.

143140864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 143140864 is about 11964.1491130795. The cubic root of 143140864 is about 523.1038038533.

The spelling of 143140864 in words is "one hundred forty-three million, one hundred forty thousand, eight hundred sixty-four".