143197144 has 16 divisors (see below), whose sum is σ = 269076600. Its totient is φ = 71443392.

The previous prime is 143197127. The next prime is 143197147. The reversal of 143197144 is 441791341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143197147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15429 + ... + 22900.

Almost surely, 2^143197144 is an apocalyptic number.

It is an amenable number.

143197144 is a deficient number, since it is larger than the sum of its proper divisors (125879456).

143197144 is a wasteful number, since it uses less digits than its factorization.

143197144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38802 (or 38798 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 143197144 is about 11966.5009087870. The cubic root of 143197144 is about 523.1723527024.

It can be divided in two parts, 143197 and 144, that added together give a palindrome (143341).

The spelling of 143197144 in words is "one hundred forty-three million, one hundred ninety-seven thousand, one hundred forty-four".