32142550515442 has 4 divisors (see below), whose sum is σ = 48213825773166. Its totient is φ = 16071275257720.

The previous prime is 32142550515407. The next prime is 32142550515443. The reversal of 32142550515442 is 24451505524123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20477244982041 + 11665305533401 = 4525179^2 + 3415451^2 .

It is not an unprimeable number, because it can be changed into a prime (32142550515443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035637628859 + ... + 8035637628862.

Almost surely, 2^{32142550515442} is an apocalyptic number.

32142550515442 is a deficient number, since it is larger than the sum of its proper divisors (16071275257724).

32142550515442 is a wasteful number, since it uses less digits than its factorization.

32142550515442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16071275257723.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 32142550515442 in words is "thirty-two trillion, one hundred forty-two billion, five hundred fifty million, five hundred fifteen thousand, four hundred forty-two".