90485159 has 2 divisors, whose sum is σ = 90485160. Its totient is φ = 90485158.

The previous prime is 90485147. The next prime is 90485177. The reversal of 90485159 is 95158409.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90485159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90485119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45242579 + 45242580.

It is an arithmetic number, because the mean of its divisors is an integer number (45242580).

Almost surely, 2^90485159 is an apocalyptic number.

90485159 is a deficient number, since it is larger than the sum of its proper divisors (1).

90485159 is an equidigital number, since it uses as much as digits as its factorization.

90485159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 90485159 is about 9512.3687375963. The cubic root of 90485159 is about 448.9442889990.

The spelling of 90485159 in words is "ninety million, four hundred eighty-five thousand, one hundred fifty-nine".