32143245434 has 4 divisors (see below), whose sum is σ = 48214868154. Its totient is φ = 16071622716.

The previous prime is 32143245427. The next prime is 32143245469. The reversal of 32143245434 is 43454234123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43454234123 = 17 ⋅2556131419.

It can be written as a sum of positive squares in only one way, i.e., 18231750625 + 13911494809 = 135025^2 + 117947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32143245394 and 32143245403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035811357 + ... + 8035811360.

Almost surely, 2^32143245434 is an apocalyptic number.

32143245434 is a deficient number, since it is larger than the sum of its proper divisors (16071622720).

32143245434 is a wasteful number, since it uses less digits than its factorization.

32143245434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16071622719.

The product of its digits is 138240, while the sum is 35.

Adding to 32143245434 its reverse (43454234123), we get a palindrome (75597479557).

The spelling of 32143245434 in words is "thirty-two billion, one hundred forty-three million, two hundred forty-five thousand, four hundred thirty-four".