90023150 has 96 divisors (see below), whose sum is σ = 204415488. Its totient is φ = 28828800.

The previous prime is 90023117. The next prime is 90023191. The reversal of 90023150 is 5132009.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 426545 + ... + 426755.

It is an arithmetic number, because the mean of its divisors is an integer number (2129328).

Almost surely, 2^90023150 is an apocalyptic number.

90023150 is an abundant number, since it is smaller than the sum of its proper divisors (114392338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90023150 is a wasteful number, since it uses less digits than its factorization.

90023150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 90023150 is about 9488.0530141858. The cubic root of 90023150 is about 448.1788952579.

Adding to 90023150 its reverse (5132009), we get a palindrome (95155159).

The spelling of 90023150 in words is "ninety million, twenty-three thousand, one hundred fifty".