136545845 has 8 divisors (see below), whose sum is σ = 165051864. Its totient is φ = 108438784.

The previous prime is 136545821. The next prime is 136545863. The reversal of 136545845 is 548545631.

It can be written as a sum of positive squares in 4 ways, for example, as 5466244 + 131079601 = 2338^2 + 11449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136545845 - 2²⁴ = 119768629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98984 + ... + 100353.

It is an arithmetic number, because the mean of its divisors is an integer number (20631483).

Almost surely, 2^136545845 is an apocalyptic number.

It is an amenable number.

136545845 is a deficient number, since it is larger than the sum of its proper divisors (28506019).

136545845 is a wasteful number, since it uses less digits than its factorization.

136545845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199479.

The product of its digits is 288000, while the sum is 41.

The square root of 136545845 is about 11685.2832657150. The cubic root of 136545845 is about 514.9434003214.

The spelling of 136545845 in words is "one hundred thirty-six million, five hundred forty-five thousand, eight hundred forty-five".