195493545 has 24 divisors (see below), whose sum is σ = 364922376. Its totient is φ = 96242688.

The previous prime is 195493531. The next prime is 195493549. The reversal of 195493545 is 545394591.

195493545 is a `hidden beast` number, since 19 + 5 + 4 + 93 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34609689 + 160883856 = 5883^2 + 12684^2 .

It is not a de Polignac number, because 195493545 - 2¹¹ = 195491497 is a prime.

It is a super-2 number, since 2×195493545² = 76435452273334050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 195493545.

It is not an unprimeable number, because it can be changed into a prime (195493549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166504 + ... + 167673.

It is an arithmetic number, because the mean of its divisors is an integer number (15205099).

Almost surely, 2^195493545 is an apocalyptic number.

195493545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195493545 is a deficient number, since it is larger than the sum of its proper divisors (169428831).

195493545 is a wasteful number, since it uses less digits than its factorization.

195493545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334201 (or 334198 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 195493545 is about 13981.9006218754. The cubic root of 195493545 is about 580.3778206142.

The spelling of 195493545 in words is "one hundred ninety-five million, four hundred ninety-three thousand, five hundred forty-five".