197641143 has 48 divisors (see below), whose sum is σ = 334152000. Its totient is φ = 110246400.

The previous prime is 197641121. The next prime is 197641153. The reversal of 197641143 is 341146791.

197641143 is a `hidden beast` number, since 1 + 9 + 7 + 641 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 197641143 - 2⁵ = 197641111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197641098 and 197641107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197641153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 566133 + ... + 566481.

It is an arithmetic number, because the mean of its divisors is an integer number (6961500).

Almost surely, 2^197641143 is an apocalyptic number.

197641143 is a deficient number, since it is larger than the sum of its proper divisors (136510857).

197641143 is a wasteful number, since it uses less digits than its factorization.

197641143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 549 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 197641143 is about 14058.4900682826. The cubic root of 197641143 is about 582.4953359116.

The spelling of 197641143 in words is "one hundred ninety-seven million, six hundred forty-one thousand, one hundred forty-three".