142434550434 has 64 divisors (see below), whose sum is σ = 327364623360. Its totient is φ = 40860025920.

The previous prime is 142434550327. The next prime is 142434550451. The reversal of 142434550434 is 434055434241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142434550392 and 142434550401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1680379 + ... + 1763105.

It is an arithmetic number, because the mean of its divisors is an integer number (5115072240).

Almost surely, 2^142434550434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142434550434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163682311680).

142434550434 is an abundant number, since it is smaller than the sum of its proper divisors (184930072926).

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

142434550434 is a wasteful number, since it uses less digits than its factorization.

142434550434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84135.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 142434550434 its reverse (434055434241), we get a palindrome (576489984675).

The spelling of 142434550434 in words is "one hundred forty-two billion, four hundred thirty-four million, five hundred fifty thousand, four hundred thirty-four".