143384725 has 12 divisors (see below), whose sum is σ = 193960800. Its totient is φ = 104279600.

The previous prime is 143384723. The next prime is 143384753. The reversal of 143384725 is 527483341.

It is a happy number.

It is not a de Polignac number, because 143384725 - 2¹ = 143384723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143384723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260425 + ... + 260974.

It is an arithmetic number, because the mean of its divisors is an integer number (16163400).

Almost surely, 2^143384725 is an apocalyptic number.

It is an amenable number.

143384725 is a deficient number, since it is larger than the sum of its proper divisors (50576075).

143384725 is a wasteful number, since it uses less digits than its factorization.

143384725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521420 (or 521415 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 143384725 is about 11974.3360985067. The cubic root of 143384725 is about 523.4006961128.

The spelling of 143384725 in words is "one hundred forty-three million, three hundred eighty-four thousand, seven hundred twenty-five".