141009565 has 4 divisors (see below), whose sum is σ = 169211484. Its totient is φ = 112807648.

The previous prime is 141009551. The next prime is 141009569. The reversal of 141009565 is 565900141.

141009565 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 49252324 + 91757241 = 7018^2 + 9579^2 .

It is a cyclic number.

It is not a de Polignac number, because 141009565 - 2¹³ = 141001373 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141009569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14100952 + ... + 14100961.

It is an arithmetic number, because the mean of its divisors is an integer number (42302871).

Almost surely, 2^141009565 is an apocalyptic number.

It is an amenable number.

141009565 is a deficient number, since it is larger than the sum of its proper divisors (28201919).

141009565 is an equidigital number, since it uses as much as digits as its factorization.

141009565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28201918.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 141009565 is about 11874.7448393639. The cubic root of 141009565 is about 520.4945553826.

The spelling of 141009565 in words is "one hundred forty-one million, nine thousand, five hundred sixty-five".