143392 has 12 divisors (see below), whose sum is σ = 282366. Its totient is φ = 71680.

The previous prime is 143387. The next prime is 143401. The reversal of 143392 is 293341.

It can be written as a sum of positive squares in only one way, i.e., 104976 + 38416 = 324^2 + 196^2 .

It is a super-2 number, since 2×143392² = 41122531328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

143392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209 + ... + 2272.

2¹⁴³³⁹² is an apocalyptic number.

It is an amenable number.

143392 is a deficient number, since it is larger than the sum of its proper divisors (138974).

143392 is an equidigital number, since it uses as much as digits as its factorization.

143392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491 (or 4483 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 143392 is about 378.6713614732. The cubic root of 143392 is about 52.3409547999.

It can be divided in two parts, 14339 and 2, that added together give a palindrome (14341).

The spelling of 143392 in words is "one hundred forty-three thousand, three hundred ninety-two".