142512 has 20 divisors (see below), whose sum is σ = 368280. Its totient is φ = 47488.

The previous prime is 142501. The next prime is 142529. The reversal of 142512 is 215241.

It is a junction number, because it is equal to n+sod(n) for n = 142491 and 142500.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437 + ... + 1532.

It is an arithmetic number, because the mean of its divisors is an integer number (18414).

2¹⁴²⁵¹² is an apocalyptic number.

142512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142512 is an abundant number, since it is smaller than the sum of its proper divisors (225768).

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

142512 is a wasteful number, since it uses less digits than its factorization.

142512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2974 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 142512 is about 377.5076158172. The cubic root of 142512 is about 52.2336624669.

Adding to 142512 its reverse (215241), we get a palindrome (357753).

The spelling of 142512 in words is "one hundred forty-two thousand, five hundred twelve".