193564045 has 4 divisors (see below), whose sum is σ = 232276860. Its totient is φ = 154851232.

The previous prime is 193564037. The next prime is 193564103. The reversal of 193564045 is 540465391.

193564045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 87123556 + 106440489 = 9334^2 + 10317^2 .

It is a cyclic number.

It is not a de Polignac number, because 193564045 - 2³ = 193564037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193563995 and 193564013.

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, 19356400 + ... + 19356409.

It is an arithmetic number, because the mean of its divisors is an integer number (58069215).

Almost surely, 2^193564045 is an apocalyptic number.

It is an amenable number.

193564045 is a deficient number, since it is larger than the sum of its proper divisors (38712815).

193564045 is an equidigital number, since it uses as much as digits as its factorization.

193564045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38712814.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 193564045 is about 13912.7296027775. The cubic root of 193564045 is about 578.4620820492.

The spelling of 193564045 in words is "one hundred ninety-three million, five hundred sixty-four thousand, forty-five".