90860045 has 8 divisors (see below), whose sum is σ = 112791960. Its totient is φ = 70181440.

The previous prime is 90859963. The next prime is 90860047. The reversal of 90860045 is 54006809.

It can be written as a sum of positive squares in 4 ways, for example, as 3736489 + 87123556 = 1933^2 + 9334^2 .

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

It is not a de Polignac number, because 90860045 - 2¹² = 90855949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90859993 and 90860020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90860047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313166 + ... + 313455.

It is an arithmetic number, because the mean of its divisors is an integer number (14098995).

Almost surely, 2^90860045 is an apocalyptic number.

It is an amenable number.

90860045 is a deficient number, since it is larger than the sum of its proper divisors (21931915).

90860045 is a wasteful number, since it uses less digits than its factorization.

90860045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626655.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 90860045 is about 9532.0535562910. The cubic root of 90860045 is about 449.5634366914.

The spelling of 90860045 in words is "ninety million, eight hundred sixty thousand, forty-five".