202145200044 has 24 divisors (see below), whose sum is σ = 472436611248. Its totient is φ = 67272522240.

The previous prime is 202145199983. The next prime is 202145200051. The reversal of 202145200044 is 440002541202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202145199987 and 202145200023.

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, 13643677 + ... + 13658484.

It is an arithmetic number, because the mean of its divisors is an integer number (19684858802).

Almost surely, 2^202145200044 is an apocalyptic number.

It is an amenable number.

202145200044 is an abundant number, since it is smaller than the sum of its proper divisors (270291411204).

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

202145200044 is a wasteful number, since it uses less digits than its factorization.

202145200044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27302785 (or 27302783 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 202145200044 its reverse (440002541202), we get a palindrome (642147741246).

The spelling of 202145200044 in words is "two hundred two billion, one hundred forty-five million, two hundred thousand, forty-four".