90348845 has 4 divisors (see below), whose sum is σ = 108418620. Its totient is φ = 72279072.

The previous prime is 90348799. The next prime is 90348851. The reversal of 90348845 is 54884309.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17023876 + 73324969 = 4126^2 + 8563^2 .

It is a cyclic number.

It is not a de Polignac number, because 90348845 - 2⁸ = 90348589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9034880 + ... + 9034889.

It is an arithmetic number, because the mean of its divisors is an integer number (27104655).

Almost surely, 2^90348845 is an apocalyptic number.

It is an amenable number.

90348845 is a deficient number, since it is larger than the sum of its proper divisors (18069775).

90348845 is a wasteful number, since it uses less digits than its factorization.

90348845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18069774.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 90348845 is about 9505.2009447460. The cubic root of 90348845 is about 448.7187339684.

The spelling of 90348845 in words is "ninety million, three hundred forty-eight thousand, eight hundred forty-five".