142317534 has 8 divisors (see below), whose sum is σ = 284635080. Its totient is φ = 47439176.

The previous prime is 142317533. The next prime is 142317541. The reversal of 142317534 is 435713241.

It is a happy number.

142317534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

142317534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142317533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11859789 + ... + 11859800.

It is an arithmetic number, because the mean of its divisors is an integer number (35579385).

Almost surely, 2^142317534 is an apocalyptic number.

142317534 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.

142317534 is a wasteful number, since it uses less digits than its factorization.

142317534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23719594.

The product of its digits is 10080, while the sum is 30.

The square root of 142317534 is about 11929.6912784866. The cubic root of 142317534 is about 522.0989301785.

The spelling of 142317534 in words is "one hundred forty-two million, three hundred seventeen thousand, five hundred thirty-four".