142847752 has 32 divisors (see below), whose sum is σ = 280638720. Its totient is φ = 68080320.

The previous prime is 142847743. The next prime is 142847767. The reversal of 142847752 is 257748241.

It is a super-3 number, since 3×142847752³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12318 + ... + 20914.

It is an arithmetic number, because the mean of its divisors is an integer number (8769960).

Almost surely, 2^142847752 is an apocalyptic number.

It is an amenable number.

142847752 is a deficient number, since it is larger than the sum of its proper divisors (137790968).

142847752 is a wasteful number, since it uses less digits than its factorization.

142847752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8701 (or 8697 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The square root of 142847752 is about 11951.8932391483. The cubic root of 142847752 is about 522.7465036513.

The spelling of 142847752 in words is "one hundred forty-two million, eight hundred forty-seven thousand, seven hundred fifty-two".