203403200141444 has 6 divisors (see below), whose sum is σ = 355955600247534. Its totient is φ = 101701600070720.

The previous prime is 203403200141443. The next prime is 203403200141513. The reversal of 203403200141444 is 444141002304302.

It can be written as a sum of positive squares in only one way, i.e., 196026880921600 + 7376319219844 = 14000960^2 + 2715938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203403200141444.

It is not an unprimeable number, because it can be changed into a prime (203403200141443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25425400017677 + ... + 25425400017684.

It is an arithmetic number, because the mean of its divisors is an integer number (59325933374589).

Almost surely, 2^{203403200141444} is an apocalyptic number.

It is an amenable number.

203403200141444 is a deficient number, since it is larger than the sum of its proper divisors (152552400106090).

203403200141444 is a wasteful number, since it uses less digits than its factorization.

203403200141444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50850800035365 (or 50850800035363 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 203403200141444 its reverse (444141002304302), we get a palindrome (647544202445746).

The spelling of 203403200141444 in words is "two hundred three trillion, four hundred three billion, two hundred million, one hundred forty-one thousand, four hundred forty-four".