196208145 has 96 divisors (see below), whose sum is σ = 408305664. Its totient is φ = 85276800.

The previous prime is 196208143. The next prime is 196208161. The reversal of 196208145 is 541802691.

196208145 is a `hidden beast` number, since 19 + 620 + 8 + 14 + 5 = 666.

196208145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

196208145 is a nontrivial binomial coefficient, being equal to C(19810, 2).

It is not a de Polignac number, because 196208145 - 2¹ = 196208143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196208141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 693174 + ... + 693456.

It is an arithmetic number, because the mean of its divisors is an integer number (4253184).

Almost surely, 2^196208145 is an apocalyptic number.

196208145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196208145 is the 19809-th triangular number and also the 9905-th hexagonal number.

It is an amenable number.

196208145 is an abundant number, since it is smaller than the sum of its proper divisors (212097519).

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

196208145 is a wasteful number, since it uses less digits than its factorization.

196208145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 196208145 is about 14007.4317774530. The cubic root of 196208145 is about 581.0841247105.

The spelling of 196208145 in words is "one hundred ninety-six million, two hundred eight thousand, one hundred forty-five".