143243264 has 48 divisors (see below), whose sum is σ = 298967760. Its totient is φ = 68485120.

The previous prime is 143243257. The next prime is 143243273. The reversal of 143243264 is 462342341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45584 + ... + 48624.

It is an arithmetic number, because the mean of its divisors is an integer number (6228495).

Almost surely, 2^143243264 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 143243264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149483880).

143243264 is an abundant number, since it is smaller than the sum of its proper divisors (155724496).

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

143243264 is an equidigital number, since it uses as much as digits as its factorization.

143243264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086 (or 3066 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 143243264 is about 11968.4277998407. The cubic root of 143243264 is about 523.2285133173.

The spelling of 143243264 in words is "one hundred forty-three million, two hundred forty-three thousand, two hundred sixty-four".