90244201503 has 4 divisors (see below), whose sum is σ = 120325602008. Its totient is φ = 60162801000.

The previous prime is 90244201469. The next prime is 90244201513. The reversal of 90244201503 is 30510244209.

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

It is a de Polignac number, because none of the positive numbers 2^k-90244201503 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 (90244201513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15040700248 + ... + 15040700253.

It is an arithmetic number, because the mean of its divisors is an integer number (30081400502).

Almost surely, 2^90244201503 is an apocalyptic number.

90244201503 is a deficient number, since it is larger than the sum of its proper divisors (30081400505).

90244201503 is a wasteful number, since it uses less digits than its factorization.

90244201503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30081400504.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 90244201503 in words is "ninety billion, two hundred forty-four million, two hundred one thousand, five hundred three".