142512532 has 6 divisors (see below), whose sum is σ = 249396938. Its totient is φ = 71256264.

The previous prime is 142512527. The next prime is 142512533. The reversal of 142512532 is 235215241.

It can be written as a sum of positive squares in only one way, i.e., 108243216 + 34269316 = 10404^2 + 5854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142512497 and 142512506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142512533) 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 as a sum of consecutive naturals, namely, 17814063 + ... + 17814070.

Almost surely, 2^142512532 is an apocalyptic number.

It is an amenable number.

142512532 is a deficient number, since it is larger than the sum of its proper divisors (106884406).

142512532 is a wasteful number, since it uses less digits than its factorization.

142512532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35628137 (or 35628135 counting only the distinct ones).

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

The square root of 142512532 is about 11937.8612824911. The cubic root of 142512532 is about 522.3372746321.

Adding to 142512532 its reverse (235215241), we get a palindrome (377727773).

The spelling of 142512532 in words is "one hundred forty-two million, five hundred twelve thousand, five hundred thirty-two".