197353045 has 4 divisors (see below), whose sum is σ = 236823660. Its totient is φ = 157882432.

The previous prime is 197353027. The next prime is 197353061. The reversal of 197353045 is 540353791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118178641 + 79174404 = 10871^2 + 8898^2 .

It is a cyclic number.

It is not a de Polignac number, because 197353045 - 2¹⁹ = 196828757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197352995 and 197353013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19735300 + ... + 19735309.

It is an arithmetic number, because the mean of its divisors is an integer number (59205915).

Almost surely, 2^197353045 is an apocalyptic number.

It is an amenable number.

197353045 is a deficient number, since it is larger than the sum of its proper divisors (39470615).

197353045 is an equidigital number, since it uses as much as digits as its factorization.

197353045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39470614.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 197353045 is about 14048.2399253430. The cubic root of 197353045 is about 582.2121672260.

The spelling of 197353045 in words is "one hundred ninety-seven million, three hundred fifty-three thousand, forty-five".