197632045 has 16 divisors (see below), whose sum is σ = 255698352. Its totient is φ = 145774080.

The previous prime is 197632027. The next prime is 197632049. The reversal of 197632045 is 540236791.

197632045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 16621929 + 181010116 = 4077^2 + 13454^2 .

It is not a de Polignac number, because 197632045 - 2¹¹ = 197629997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197631995 and 197632013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197632049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95239 + ... + 97291.

It is an arithmetic number, because the mean of its divisors is an integer number (15981147).

Almost surely, 2^197632045 is an apocalyptic number.

It is an amenable number.

197632045 is a deficient number, since it is larger than the sum of its proper divisors (58066307).

197632045 is a wasteful number, since it uses less digits than its factorization.

197632045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 197632045 is about 14058.1664878461. The cubic root of 197632045 is about 582.4863977863.

The spelling of 197632045 in words is "one hundred ninety-seven million, six hundred thirty-two thousand, forty-five".