243140051445 has 32 divisors (see below), whose sum is σ = 402848812800. Its totient is φ = 125075564544.

The previous prime is 243140051339. The next prime is 243140051527. The reversal of 243140051445 is 544150041342.

It is a happy number.

243140051445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243140051445 - 2¹² = 243140047349 is a prime.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 143301 + ... + 711909.

It is an arithmetic number, because the mean of its divisors is an integer number (12589025400).

Almost surely, 2^243140051445 is an apocalyptic number.

It is an amenable number.

243140051445 is a deficient number, since it is larger than the sum of its proper divisors (159708761355).

243140051445 is a wasteful number, since it uses less digits than its factorization.

243140051445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569629.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 243140051445 its reverse (544150041342), we get a palindrome (787290092787).

The spelling of 243140051445 in words is "two hundred forty-three billion, one hundred forty million, fifty-one thousand, four hundred forty-five".