143568 has 30 divisors (see below), whose sum is σ = 402194. Its totient is φ = 47808.

The previous prime is 143567. The next prime is 143569. The reversal of 143568 is 865341.

It is an interprime number because it is at equal distance from previous prime (143567) and next prime (143569).

It can be written as a sum of positive squares in only one way, i.e., 138384 + 5184 = 372^2 + 72^2 .

It is a super-2 number, since 2×143568² = 41223541248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355 + ... + 642.

2¹⁴³⁵⁶⁸ is an apocalyptic number.

143568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

143568 is an abundant number, since it is smaller than the sum of its proper divisors (258626).

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

143568 is a wasteful number, since it uses less digits than its factorization.

143568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1002 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 143568 is about 378.9036816923. The cubic root of 143568 is about 52.3623605539.

The spelling of 143568 in words is "one hundred forty-three thousand, five hundred sixty-eight".