142531124 has 6 divisors (see below), whose sum is σ = 249429474. Its totient is φ = 71265560.

The previous prime is 142531093. The next prime is 142531157. The reversal of 142531124 is 421135241.

It can be written as a sum of positive squares in only one way, i.e., 74995600 + 67535524 = 8660^2 + 8218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142531124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17816387 + ... + 17816394.

It is an arithmetic number, because the mean of its divisors is an integer number (41571579).

Almost surely, 2^142531124 is an apocalyptic number.

It is an amenable number.

142531124 is a deficient number, since it is larger than the sum of its proper divisors (106898350).

142531124 is a wasteful number, since it uses less digits than its factorization.

142531124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35632785 (or 35632783 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 142531124 is about 11938.6399560419. The cubic root of 142531124 is about 522.3599881255.

Adding to 142531124 its reverse (421135241), we get a palindrome (563666365).

The spelling of 142531124 in words is "one hundred forty-two million, five hundred thirty-one thousand, one hundred twenty-four".