202145155544 has 32 divisors (see below), whose sum is σ = 380157898800. Its totient is φ = 100769961600.

The previous prime is 202145155519. The next prime is 202145155591. The reversal of 202145155544 is 445551541202.

It is a junction number, because it is equal to n+sod(n) for n = 202145155498 and 202145155507.

It is a congruent number.

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, 7192319 + ... + 7220369.

Almost surely, 2^202145155544 is an apocalyptic number.

It is an amenable number.

202145155544 is a deficient number, since it is larger than the sum of its proper divisors (178012743256).

202145155544 is a wasteful number, since it uses less digits than its factorization.

202145155544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30723 (or 30719 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 202145155544 its reverse (445551541202), we get a palindrome (647696696746).

The spelling of 202145155544 in words is "two hundred two billion, one hundred forty-five million, one hundred fifty-five thousand, five hundred forty-four".