142520252 has 12 divisors (see below), whose sum is σ = 285040560. Its totient is φ = 61080096.

The previous prime is 142520243. The next prime is 142520269. The reversal of 142520252 is 252025241.

142520252 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2544977 + ... + 2545032.

It is an arithmetic number, because the mean of its divisors is an integer number (23753380).

Almost surely, 2^142520252 is an apocalyptic number.

It is an amenable number.

142520252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142520252 is a wasteful number, since it uses less digits than its factorization.

142520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090020 (or 5090018 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 142520252 is about 11938.1846191119. The cubic root of 142520252 is about 522.3467062494.

Adding to 142520252 its reverse (252025241), we get a palindrome (394545493).

The spelling of 142520252 in words is "one hundred forty-two million, five hundred twenty thousand, two hundred fifty-two".