90930545 has 8 divisors (see below), whose sum is σ = 109319424. Its totient is φ = 72609264.

The previous prime is 90930517. The next prime is 90930547. The reversal of 90930545 is 54503909.

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 90930545 - 2¹⁰ = 90929521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90930547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13889 + ... + 19358.

It is an arithmetic number, because the mean of its divisors is an integer number (13664928).

Almost surely, 2^90930545 is an apocalyptic number.

It is an amenable number.

90930545 is a deficient number, since it is larger than the sum of its proper divisors (18388879).

90930545 is a wasteful number, since it uses less digits than its factorization.

90930545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33799.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 90930545 is about 9535.7508881052. The cubic root of 90930545 is about 449.6796815104.

The spelling of 90930545 in words is "ninety million, nine hundred thirty thousand, five hundred forty-five".