143384752 has 20 divisors (see below), whose sum is σ = 317495056. Its totient is φ = 61450560.

The previous prime is 143384723. The next prime is 143384753. The reversal of 143384752 is 257483341.

It is a happy number.

It is a super-2 number, since 2×143384752² = 41118374212203008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143384753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639999 + ... + 640222.

Almost surely, 2^143384752 is an apocalyptic number.

It is an amenable number.

143384752 is an abundant number, since it is smaller than the sum of its proper divisors (174110304).

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

143384752 is a wasteful number, since it uses less digits than its factorization.

143384752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280236 (or 1280230 counting only the distinct ones).

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

The square root of 143384752 is about 11974.3372259178. The cubic root of 143384752 is about 523.4007289658.

The spelling of 143384752 in words is "one hundred forty-three million, three hundred eighty-four thousand, seven hundred fifty-two".