243141250544 has 40 divisors (see below), whose sum is σ = 474690951168. Its totient is φ = 120642770880.

The previous prime is 243141250529. The next prime is 243141250567. The reversal of 243141250544 is 445052141342.

It is a happy number.

It is a super-2 number, since 2×243141250544² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546949 + ... + 1696859.

Almost surely, 2^243141250544 is an apocalyptic number.

It is an amenable number.

243141250544 is a deficient number, since it is larger than the sum of its proper divisors (231549700624).

243141250544 is a wasteful number, since it uses less digits than its factorization.

243141250544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150693 (or 150687 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 243141250544 its reverse (445052141342), we get a palindrome (688193391886).

The spelling of 243141250544 in words is "two hundred forty-three billion, one hundred forty-one million, two hundred fifty thousand, five hundred forty-four".