142134752 has 24 divisors (see below), whose sum is σ = 288856512. Its totient is φ = 68774400.

The previous prime is 142134731. The next prime is 142134757. The reversal of 142134752 is 257431241.

It is a super-2 number, since 2×142134752² = 40404575452203008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142134757) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 70649 + ... + 72632.

It is an arithmetic number, because the mean of its divisors is an integer number (12035688).

Almost surely, 2^142134752 is an apocalyptic number.

It is an amenable number.

142134752 is an abundant number, since it is smaller than the sum of its proper divisors (146721760).

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

142134752 is a wasteful number, since it uses less digits than its factorization.

142134752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143322 (or 143314 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 142134752 is about 11922.0280154007. The cubic root of 142134752 is about 521.8753194782.

Adding to 142134752 its reverse (257431241), we get a palindrome (399565993).

The spelling of 142134752 in words is "one hundred forty-two million, one hundred thirty-four thousand, seven hundred fifty-two".