143144455 has 4 divisors (see below), whose sum is σ = 171773352. Its totient is φ = 114515560.

The previous prime is 143144431. The next prime is 143144497. The reversal of 143144455 is 554441341.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 143144455 - 2⁷ = 143144327 is a prime.

It is a Duffinian number.

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, 14314441 + ... + 14314450.

It is an arithmetic number, because the mean of its divisors is an integer number (42943338).

Almost surely, 2^143144455 is an apocalyptic number.

143144455 is a deficient number, since it is larger than the sum of its proper divisors (28628897).

143144455 is an equidigital number, since it uses as much as digits as its factorization.

143144455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28628896.

The product of its digits is 19200, while the sum is 31.

The square root of 143144455 is about 11964.2991854935. The cubic root of 143144455 is about 523.1081782157.

Adding to 143144455 its reverse (554441341), we get a palindrome (697585796).

It can be divided in two parts, 14314 and 4455, that added together give a square (18769 = 137²).

The spelling of 143144455 in words is "one hundred forty-three million, one hundred forty-four thousand, four hundred fifty-five".