197148000 has 192 divisors, whose sum is σ = 738436608. Its totient is φ = 45043200.

The previous prime is 197147989. The next prime is 197148001. The reversal of 197148000 is 841791.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197148001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82827 + ... + 85173.

It is an arithmetic number, because the mean of its divisors is an integer number (3846024).

Almost surely, 2^197148000 is an apocalyptic number.

197148000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197148000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369218304).

197148000 is an abundant number, since it is smaller than the sum of its proper divisors (541288608).

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

197148000 is a wasteful number, since it uses less digits than its factorization.

197148000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 197148000 is about 14040.9401394636. The cubic root of 197148000 is about 582.0104626076.

Adding to 197148000 its reverse (841791), we get a palindrome (197989791).

The spelling of 197148000 in words is "one hundred ninety-seven million, one hundred forty-eight thousand".