196812045 has 16 divisors (see below), whose sum is σ = 349888320. Its totient is φ = 104966352.

The previous prime is 196812037. The next prime is 196812073. The reversal of 196812045 is 540218691.

It is not a de Polignac number, because 196812045 - 2³ = 196812037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728799 + ... + 729068.

It is an arithmetic number, because the mean of its divisors is an integer number (21868020).

Almost surely, 2^196812045 is an apocalyptic number.

196812045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196812045 is a deficient number, since it is larger than the sum of its proper divisors (153076275).

196812045 is a wasteful number, since it uses less digits than its factorization.

196812045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457881 (or 1457875 counting only the distinct ones).

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

The square root of 196812045 is about 14028.9716301659. The cubic root of 196812045 is about 581.6796781279.

The spelling of 196812045 in words is "one hundred ninety-six million, eight hundred twelve thousand, forty-five".