200645432542 has 8 divisors (see below), whose sum is σ = 302216980032. Its totient is φ = 99906439200.

The previous prime is 200645432527. The next prime is 200645432591. The reversal of 200645432542 is 245234546002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208137934 + ... + 208138897.

It is an arithmetic number, because the mean of its divisors is an integer number (37777122504).

Almost surely, 2^200645432542 is an apocalyptic number.

200645432542 is a deficient number, since it is larger than the sum of its proper divisors (101571547490).

200645432542 is a wasteful number, since it uses less digits than its factorization.

200645432542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416277074.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 200645432542 its reverse (245234546002), we get a palindrome (445879978544).

The spelling of 200645432542 in words is "two hundred billion, six hundred forty-five million, four hundred thirty-two thousand, five hundred forty-two".