142530252 has 24 divisors (see below), whose sum is σ = 334693296. Its totient is φ = 47206848.

The previous prime is 142530247. The next prime is 142530257. The reversal of 142530252 is 252035241.

It is an interprime number because it is at equal distance from previous prime (142530247) and next prime (142530257).

It is not an unprimeable number, because it can be changed into a prime (142530257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35943 + ... + 39710.

It is an arithmetic number, because the mean of its divisors is an integer number (13945554).

Almost surely, 2^142530252 is an apocalyptic number.

142530252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142530252 is an abundant number, since it is smaller than the sum of its proper divisors (192163044).

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

142530252 is a wasteful number, since it uses less digits than its factorization.

142530252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75817 (or 75815 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 142530252 is about 11938.6034359133. The cubic root of 142530252 is about 522.3589228638.

Adding to 142530252 its reverse (252035241), we get a palindrome (394565493).

The spelling of 142530252 in words is "one hundred forty-two million, five hundred thirty thousand, two hundred fifty-two".