90113443 has 8 divisors (see below), whose sum is σ = 103265888. Its totient is φ = 77030784.

The previous prime is 90113431. The next prime is 90113453. The reversal of 90113443 is 34431109.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90113443 - 2²⁵ = 56559011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90113453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14646 + ... + 19867.

It is an arithmetic number, because the mean of its divisors is an integer number (12908236).

Almost surely, 2^90113443 is an apocalyptic number.

90113443 is a deficient number, since it is larger than the sum of its proper divisors (13152445).

90113443 is a wasteful number, since it uses less digits than its factorization.

90113443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34893.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 90113443 is about 9492.8100686783. The cubic root of 90113443 is about 448.3286859690.

The spelling of 90113443 in words is "ninety million, one hundred thirteen thousand, four hundred forty-three".