196502445 has 12 divisors (see below), whose sum is σ = 340604316. Its totient is φ = 104801280.

The previous prime is 196502419. The next prime is 196502447. The reversal of 196502445 is 544205691.

It can be written as a sum of positive squares in 2 ways, for example, as 87946884 + 108555561 = 9378^2 + 10419^2 .

It is not a de Polignac number, because 196502445 - 2⁵ = 196502413 is a prime.

It is a super-2 number, since 2×196502445² = 77226421781956050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196502447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2183316 + ... + 2183405.

It is an arithmetic number, because the mean of its divisors is an integer number (28383693).

Almost surely, 2^196502445 is an apocalyptic number.

196502445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196502445 is a deficient number, since it is larger than the sum of its proper divisors (144101871).

196502445 is a wasteful number, since it uses less digits than its factorization.

196502445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366732 (or 4366729 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 196502445 is about 14017.9329788667. The cubic root of 196502445 is about 581.3745095739.

The spelling of 196502445 in words is "one hundred ninety-six million, five hundred two thousand, four hundred forty-five".