90459575 has 12 divisors (see below), whose sum is σ = 117047568. Its totient is φ = 69220800.

The previous prime is 90459563. The next prime is 90459599. The reversal of 90459575 is 57595409.

It is a happy number.

It is not a de Polignac number, because 90459575 - 2¹² = 90455479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78086 + ... + 79235.

It is an arithmetic number, because the mean of its divisors is an integer number (9753964).

Almost surely, 2^90459575 is an apocalyptic number.

90459575 is a deficient number, since it is larger than the sum of its proper divisors (26587993).

90459575 is a wasteful number, since it uses less digits than its factorization.

90459575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157354 (or 157349 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 90459575 is about 9511.0238670713. The cubic root of 90459575 is about 448.9019731338.

The spelling of 90459575 in words is "ninety million, four hundred fifty-nine thousand, five hundred seventy-five".