143020144 has 20 divisors (see below), whose sum is σ = 291686440. Its totient is φ = 67746240.

The previous prime is 143020109. The next prime is 143020147. The reversal of 143020144 is 441020341.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143020147) 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, 234927 + ... + 235534.

It is an arithmetic number, because the mean of its divisors is an integer number (14584322).

Almost surely, 2^143020144 is an apocalyptic number.

It is an amenable number.

143020144 is an abundant number, since it is smaller than the sum of its proper divisors (148666296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143020144 is a wasteful number, since it uses less digits than its factorization.

143020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470488 (or 470482 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143020144 is about 11959.1029763942. The cubic root of 143020144 is about 522.9567066737.

Adding to 143020144 its reverse (441020341), we get a palindrome (584040485).

The spelling of 143020144 in words is "one hundred forty-three million, twenty thousand, one hundred forty-four".