90248345 has 8 divisors (see below), whose sum is σ = 118143360. Its totient is φ = 65635120.

The previous prime is 90248317. The next prime is 90248351. The reversal of 90248345 is 54384209.

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

It is not a de Polignac number, because 90248345 - 2⁶ = 90248281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820385 + ... + 820494.

It is an arithmetic number, because the mean of its divisors is an integer number (14767920).

Almost surely, 2^90248345 is an apocalyptic number.

It is an amenable number.

90248345 is a deficient number, since it is larger than the sum of its proper divisors (27895015).

90248345 is a wasteful number, since it uses less digits than its factorization.

90248345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640895.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 90248345 is about 9499.9128943375. The cubic root of 90248345 is about 448.5522940465.

The spelling of 90248345 in words is "ninety million, two hundred forty-eight thousand, three hundred forty-five".