90241159 has 4 divisors (see below), whose sum is σ = 90288216. Its totient is φ = 90194104.

The previous prime is 90241157. The next prime is 90241171. The reversal of 90241159 is 95114209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95114209 = 19 ⋅5006011.

It is a cyclic number.

It is not a de Polignac number, because 90241159 - 2¹ = 90241157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90241159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90241157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20524 + ... + 24529.

It is an arithmetic number, because the mean of its divisors is an integer number (22572054).

Almost surely, 2^90241159 is an apocalyptic number.

90241159 is a deficient number, since it is larger than the sum of its proper divisors (47057).

90241159 is a wasteful number, since it uses less digits than its factorization.

90241159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47056.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 90241159 is about 9499.5346728142. The cubic root of 90241159 is about 448.5403884456.

The spelling of 90241159 in words is "ninety million, two hundred forty-one thousand, one hundred fifty-nine".