202144312 has 8 divisors (see below), whose sum is σ = 379020600. Its totient is φ = 101072152.

The previous prime is 202144303. The next prime is 202144337. The reversal of 202144312 is 213441202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 202144312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634012 + ... + 12634027.

It is an arithmetic number, because the mean of its divisors is an integer number (47377575).

Almost surely, 2^202144312 is an apocalyptic number.

It is an amenable number.

202144312 is a deficient number, since it is larger than the sum of its proper divisors (176876288).

202144312 is a wasteful number, since it uses less digits than its factorization.

202144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268045 (or 25268041 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 202144312 is about 14217.7463755688. The cubic root of 202144312 is about 586.8861245648.

Adding to 202144312 its reverse (213441202), we get a palindrome (415585514).

The spelling of 202144312 in words is "two hundred two million, one hundred forty-four thousand, three hundred twelve".