143456 has 12 divisors (see below), whose sum is σ = 282492. Its totient is φ = 71712.

The previous prime is 143443. The next prime is 143461. The reversal of 143456 is 654341.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

143456 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 2210 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (23541).

2¹⁴³⁴⁵⁶ is an apocalyptic number.

143456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143456 is a deficient number, since it is larger than the sum of its proper divisors (139036).

143456 is an equidigital number, since it uses as much as digits as its factorization.

143456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493 (or 4485 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 143456 is about 378.7558580405. The cubic root of 143456 is about 52.3487407360.

Adding to 143456 its reverse (654341), we get a palindrome (797797).

It can be divided in two parts, 14 and 3456, that multiplied together give a palindrome (48384).

The spelling of 143456 in words is "one hundred forty-three thousand, four hundred fifty-six".