90245853 has 8 divisors (see below), whose sum is σ = 133697600. Its totient is φ = 60163884.

The previous prime is 90245791. The next prime is 90245891. The reversal of 90245853 is 35854209.

It is not a de Polignac number, because 90245853 - 2⁶ = 90245789 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 (90245053) 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 7 ways as a sum of consecutive naturals, for example, 1671193 + ... + 1671246.

It is an arithmetic number, because the mean of its divisors is an integer number (16712200).

Almost surely, 2^90245853 is an apocalyptic number.

It is an amenable number.

90245853 is a deficient number, since it is larger than the sum of its proper divisors (43451747).

90245853 is a wasteful number, since it uses less digits than its factorization.

90245853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342448 (or 3342442 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 90245853 is about 9499.7817343347. The cubic root of 90245853 is about 448.5481654293.

The spelling of 90245853 in words is "ninety million, two hundred forty-five thousand, eight hundred fifty-three".