195169045 has 16 divisors (see below), whose sum is σ = 252267840. Its totient is φ = 144474624.

The previous prime is 195169031. The next prime is 195169049. The reversal of 195169045 is 540961591.

195169045 = 3196² + 3197² + ... + 3214².

It is a cyclic number.

It is not a de Polignac number, because 195169045 - 2¹¹ = 195166997 is a prime.

It is a super-2 number, since 2×195169045² = 76181912252424050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195168989 and 195169007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195169049) 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, 19804 + ... + 27973.

It is an arithmetic number, because the mean of its divisors is an integer number (15766740).

Almost surely, 2^195169045 is an apocalyptic number.

It is an amenable number.

195169045 is a deficient number, since it is larger than the sum of its proper divisors (57098795).

195169045 is a wasteful number, since it uses less digits than its factorization.

195169045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47844.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 195169045 is about 13970.2915144960. The cubic root of 195169045 is about 580.0565194624.

It can be divided in two parts, 19516 and 9045, that added together give a 4-th power (28561 = 13⁴).

The spelling of 195169045 in words is "one hundred ninety-five million, one hundred sixty-nine thousand, forty-five".