196145000 has 40 divisors (see below), whose sum is σ = 459579450. Its totient is φ = 78456000.

The previous prime is 196144987. The next prime is 196145011. The reversal of 196145000 is 541691.

It can be written as a sum of positive squares in 5 ways, for example, as 41242084 + 154902916 = 6422^2 + 12446^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×196145000² = 76945722050000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14615 + ... + 24614.

Almost surely, 2^196145000 is an apocalyptic number.

196145000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196145000 is an abundant number, since it is smaller than the sum of its proper divisors (263434450).

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

196145000 is an equidigital number, since it uses as much as digits as its factorization.

196145000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39255 (or 39236 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 196145000 is about 14005.1776140112. The cubic root of 196145000 is about 581.0217819130.

Adding to 196145000 its reverse (541691), we get a palindrome (196686691).

The spelling of 196145000 in words is "one hundred ninety-six million, one hundred forty-five thousand".