90082105 has 4 divisors (see below), whose sum is σ = 108098532. Its totient is φ = 72065680.

The previous prime is 90082093. The next prime is 90082117. The reversal of 90082105 is 50128009.

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

It is an interprime number because it is at equal distance from previous prime (90082093) and next prime (90082117).

It can be written as a sum of positive squares in 2 ways, for example, as 54405376 + 35676729 = 7376^2 + 5973^2 .

It is not a de Polignac number, because 90082105 - 2⁷ = 90081977 is a prime.

It is a super-2 number, since 2×90082105² = 16229571282462050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90082105.

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, 9008206 + ... + 9008215.

It is an arithmetic number, because the mean of its divisors is an integer number (27024633).

Almost surely, 2^90082105 is an apocalyptic number.

It is an amenable number.

90082105 is a deficient number, since it is larger than the sum of its proper divisors (18016427).

90082105 is a wasteful number, since it uses less digits than its factorization.

90082105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016426.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 90082105 is about 9491.1593074819. The cubic root of 90082105 is about 448.2767094349.

The spelling of 90082105 in words is "ninety million, eighty-two thousand, one hundred five".