243025156144 has 40 divisors (see below), whose sum is σ = 477882226080. Its totient is φ = 119704693248.

The previous prime is 243025156111. The next prime is 243025156183. The reversal of 243025156144 is 441651520342.

It is a super-2 number, since 2×243025156144² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855954 + ... + 1103950.

It is an arithmetic number, because the mean of its divisors is an integer number (11947055652).

Almost surely, 2^243025156144 is an apocalyptic number.

It is an amenable number.

243025156144 is a deficient number, since it is larger than the sum of its proper divisors (234857069936).

243025156144 is a wasteful number, since it uses less digits than its factorization.

243025156144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248917 (or 248911 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 243025156144 its reverse (441651520342), we get a palindrome (684676676486).

The spelling of 243025156144 in words is "two hundred forty-three billion, twenty-five million, one hundred fifty-six thousand, one hundred forty-four".