142552132 has 6 divisors (see below), whose sum is σ = 249466238. Its totient is φ = 71276064.

The previous prime is 142552097. The next prime is 142552147. The reversal of 142552132 is 231255241.

142552132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 18541636 = 11136^2 + 4306^2 .

It is a super-3 number, since 3×142552132³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 142552097 and 142552106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17819013 + ... + 17819020.

Almost surely, 2^142552132 is an apocalyptic number.

It is an amenable number.

142552132 is a deficient number, since it is larger than the sum of its proper divisors (106914106).

142552132 is a wasteful number, since it uses less digits than its factorization.

142552132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638037 (or 35638035 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 142552132 is about 11939.5197558361. The cubic root of 142552132 is about 522.3856508234.

The spelling of 142552132 in words is "one hundred forty-two million, five hundred fifty-two thousand, one hundred thirty-two".