197445795 has 16 divisors (see below), whose sum is σ = 319721472. Its totient is φ = 104035040.

The previous prime is 197445793. The next prime is 197445797. The reversal of 197445795 is 597544791.

It is an interprime number because it is at equal distance from previous prime (197445793) and next prime (197445797).

It is not a de Polignac number, because 197445795 - 2¹ = 197445793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197445793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78051 + ... + 80540.

It is an arithmetic number, because the mean of its divisors is an integer number (19982592).

Almost surely, 2^197445795 is an apocalyptic number.

197445795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197445795 is a deficient number, since it is larger than the sum of its proper divisors (122275677).

197445795 is a wasteful number, since it uses less digits than its factorization.

197445795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158682.

The product of its digits is 1587600, while the sum is 51.

The square root of 197445795 is about 14051.5406628597. The cubic root of 197445795 is about 582.3033603485.

The spelling of 197445795 in words is "one hundred ninety-seven million, four hundred forty-five thousand, seven hundred ninety-five".