142134541302 has 32 divisors (see below), whose sum is σ = 309575679840. Its totient is φ = 43242312960.

The previous prime is 142134541247. The next prime is 142134541333. The reversal of 142134541302 is 203145431241.

It is a super-2 number, since 2×142134541302² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142134541302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10230349 + ... + 10244232.

It is an arithmetic number, because the mean of its divisors is an integer number (9674239995).

Almost surely, 2^142134541302 is an apocalyptic number.

142134541302 is an abundant number, since it is smaller than the sum of its proper divisors (167441138538).

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

142134541302 is a wasteful number, since it uses less digits than its factorization.

142134541302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20474688.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 142134541302 its reverse (203145431241), we get a palindrome (345279972543).

The spelling of 142134541302 in words is "one hundred forty-two billion, one hundred thirty-four million, five hundred forty-one thousand, three hundred two".