90159383 has 4 divisors (see below), whose sum is σ = 90320088. Its totient is φ = 89998680.

The previous prime is 90159373. The next prime is 90159409. The reversal of 90159383 is 38395109.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90159383 - 2⁶ = 90159319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90159353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79508 + ... + 80633.

It is an arithmetic number, because the mean of its divisors is an integer number (22580022).

Almost surely, 2^90159383 is an apocalyptic number.

90159383 is a deficient number, since it is larger than the sum of its proper divisors (160705).

90159383 is a wasteful number, since it uses less digits than its factorization.

90159383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160704.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 90159383 is about 9495.2294864316. The cubic root of 90159383 is about 448.4048592906.

The spelling of 90159383 in words is "ninety million, one hundred fifty-nine thousand, three hundred eighty-three".