197089144 has 32 divisors (see below), whose sum is σ = 427432320. Its totient is φ = 83447136.

The previous prime is 197089129. The next prime is 197089153. The reversal of 197089144 is 441980791.

It is a self number, because there is not a number n which added to its sum of digits gives 197089144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16554 + ... + 25849.

It is an arithmetic number, because the mean of its divisors is an integer number (13357260).

Almost surely, 2^197089144 is an apocalyptic number.

197089144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

197089144 is an abundant number, since it is smaller than the sum of its proper divisors (230343176).

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

197089144 is a wasteful number, since it uses less digits than its factorization.

197089144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42499 (or 42495 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 197089144 is about 14038.8441119631. The cubic root of 197089144 is about 581.9525395969.

The spelling of 197089144 in words is "one hundred ninety-seven million, eighty-nine thousand, one hundred forty-four".