143455 has 8 divisors (see below), whose sum is σ = 185472. Its totient is φ = 105888.

The previous prime is 143443. The next prime is 143461. The reversal of 143455 is 554341.

143455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143455 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (23184).

2¹⁴³⁴⁵⁵ is an apocalyptic number.

143455 is a deficient number, since it is larger than the sum of its proper divisors (42017).

143455 is a wasteful number, since it uses less digits than its factorization.

143455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its digits is 1200, while the sum is 22.

The square root of 143455 is about 378.7545379266. The cubic root of 143455 is about 52.3486190986.

Adding to 143455 its reverse (554341), we get a palindrome (697796).

The spelling of 143455 in words is "one hundred forty-three thousand, four hundred fifty-five".