43315446142 has 4 divisors (see below), whose sum is σ = 64973169216. Its totient is φ = 21657723070.

The previous prime is 43315446131. The next prime is 43315446179. The reversal of 43315446142 is 24164451334.

43315446142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24164451334 = 2 ⋅12082225667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10828861534 + ... + 10828861537.

It is an arithmetic number, because the mean of its divisors is an integer number (16243292304).

Almost surely, 2^43315446142 is an apocalyptic number.

43315446142 is a deficient number, since it is larger than the sum of its proper divisors (21657723074).

43315446142 is a wasteful number, since it uses less digits than its factorization.

43315446142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21657723073.

The product of its digits is 138240, while the sum is 37.

Adding to 43315446142 its reverse (24164451334), we get a palindrome (67479897476).

The spelling of 43315446142 in words is "forty-three billion, three hundred fifteen million, four hundred forty-six thousand, one hundred forty-two".