146085565 has 4 divisors (see below), whose sum is σ = 175302684. Its totient is φ = 116868448.

The previous prime is 146085559. The next prime is 146085587. The reversal of 146085565 is 565580641.

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 82500889 + 63584676 = 9083^2 + 7974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146085565 is a prime.

It is a Duffinian number.

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, 14608552 + ... + 14608561.

It is an arithmetic number, because the mean of its divisors is an integer number (43825671).

Almost surely, 2^146085565 is an apocalyptic number.

It is an amenable number.

146085565 is a deficient number, since it is larger than the sum of its proper divisors (29217119).

146085565 is an equidigital number, since it uses as much as digits as its factorization.

146085565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29217118.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 146085565 is about 12086.5861598716. The cubic root of 146085565 is about 526.6665889993. Note that the first 3 decimals are identical.

It can be divided in two parts, 1460 and 85565, that added together give a square (87025 = 295²).

The spelling of 146085565 in words is "one hundred forty-six million, eighty-five thousand, five hundred sixty-five".