203156314144 has 48 divisors (see below), whose sum is σ = 461146912128. Its totient is φ = 86296476672.

The previous prime is 203156314133. The next prime is 203156314171. The reversal of 203156314144 is 441413651302.

It is a super-2 number, since 2×203156314144² (a number of 23 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, 3987732 + ... + 4038355.

It is an arithmetic number, because the mean of its divisors is an integer number (9607227336).

Almost surely, 2^203156314144 is an apocalyptic number.

It is an amenable number.

203156314144 is an abundant number, since it is smaller than the sum of its proper divisors (257990597984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203156314144 is a wasteful number, since it uses less digits than its factorization.

203156314144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026217 (or 8026209 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 203156314144 its reverse (441413651302), we get a palindrome (644569965446).

The spelling of 203156314144 in words is "two hundred three billion, one hundred fifty-six million, three hundred fourteen thousand, one hundred forty-four".