90575141 has 2 divisors, whose sum is σ = 90575142. Its totient is φ = 90575140.

The previous prime is 90575129. The next prime is 90575189. The reversal of 90575141 is 14157509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61952641 + 28622500 = 7871^2 + 5350^2 .

It is an emirp because it is prime and its reverse (14157509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90575141 - 2¹⁰ = 90574117 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90575098 and 90575107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90571141) by changing a digit.

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 as a sum of consecutive naturals, namely, 45287570 + 45287571.

It is an arithmetic number, because the mean of its divisors is an integer number (45287571).

Almost surely, 2^90575141 is an apocalyptic number.

It is an amenable number.

90575141 is a deficient number, since it is larger than the sum of its proper divisors (1).

90575141 is an equidigital number, since it uses as much as digits as its factorization.

90575141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 90575141 is about 9517.0972990718. The cubic root of 90575141 is about 449.0930556479.

The spelling of 90575141 in words is "ninety million, five hundred seventy-five thousand, one hundred forty-one".