142425534 has 16 divisors (see below), whose sum is σ = 285310080. Its totient is φ = 47398680.

The previous prime is 142425523. The next prime is 142425559. The reversal of 142425534 is 435524241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15024 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (17831880).

Almost surely, 2^142425534 is an apocalyptic number.

142425534 is an abundant number, since it is smaller than the sum of its proper divisors (142884546).

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

142425534 is a wasteful number, since it uses less digits than its factorization.

142425534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38255.

The product of its digits is 19200, while the sum is 30.

The square root of 142425534 is about 11934.2169412157. The cubic root of 142425534 is about 522.2309645704.

Adding to 142425534 its reverse (435524241), we get a palindrome (577949775).

The spelling of 142425534 in words is "one hundred forty-two million, four hundred twenty-five thousand, five hundred thirty-four".