90043101 has 12 divisors (see below), whose sum is σ = 137713212. Its totient is φ = 56497536.

The previous prime is 90043099. The next prime is 90043103. The reversal of 90043101 is 10134009.

It is an interprime number because it is at equal distance from previous prime (90043099) and next prime (90043103).

It can be written as a sum of positive squares in 2 ways, for example, as 44156025 + 45887076 = 6645^2 + 6774^2 .

It is not a de Polignac number, because 90043101 - 2¹ = 90043099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90043103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294106 + ... + 294411.

It is an arithmetic number, because the mean of its divisors is an integer number (11476101).

Almost surely, 2^90043101 is an apocalyptic number.

It is an amenable number.

90043101 is a deficient number, since it is larger than the sum of its proper divisors (47670111).

90043101 is a wasteful number, since it uses less digits than its factorization.

90043101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588540 (or 588537 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 90043101 is about 9489.1043307575. The cubic root of 90043101 is about 448.2120013967.

The spelling of 90043101 in words is "ninety million, forty-three thousand, one hundred one".