197145088 has 80 divisors (see below), whose sum is σ = 457452864. Its totient is φ = 83128320.

The previous prime is 197145071. The next prime is 197145101. The reversal of 197145088 is 880541791.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239718 + ... + 240538.

Almost surely, 2^197145088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197145088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228726432).

197145088 is an abundant number, since it is smaller than the sum of its proper divisors (260307776).

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

197145088 is an frugal number, since it uses more digits than its factorization.

197145088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 197145088 is about 14040.8364423207. The cubic root of 197145088 is about 582.0075970399.

The spelling of 197145088 in words is "one hundred ninety-seven million, one hundred forty-five thousand, eighty-eight".