197237146 has 8 divisors (see below), whose sum is σ = 300271680. Its totient is φ = 97146588.

The previous prime is 197237141. The next prime is 197237147. The reversal of 197237146 is 641732791.

197237146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 197237099 and 197237108.

It is not an unprimeable number, because it can be changed into a prime (197237141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735826 + ... + 736093.

It is an arithmetic number, because the mean of its divisors is an integer number (37533960).

Almost surely, 2^197237146 is an apocalyptic number.

197237146 is a deficient number, since it is larger than the sum of its proper divisors (103034534).

197237146 is a wasteful number, since it uses less digits than its factorization.

197237146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471988.

The product of its digits is 63504, while the sum is 40.

The square root of 197237146 is about 14044.1142832149. The cubic root of 197237146 is about 582.0981735091.

The spelling of 197237146 in words is "one hundred ninety-seven million, two hundred thirty-seven thousand, one hundred forty-six".