100245390 has 32 divisors (see below), whose sum is σ = 274959360. Its totient is φ = 22913184.

The previous prime is 100245389. The next prime is 100245401. The reversal of 100245390 is 93542001.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100245390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238470 + ... + 238889.

It is an arithmetic number, because the mean of its divisors is an integer number (8592480).

Almost surely, 2^100245390 is an apocalyptic number.

100245390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100245390 is an abundant number, since it is smaller than the sum of its proper divisors (174713970).

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

100245390 is a wasteful number, since it uses less digits than its factorization.

100245390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477376.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 100245390 is about 10012.2619821896. The cubic root of 100245390 is about 464.5382397240.

Adding to 100245390 its reverse (93542001), we get a palindrome (193787391).

The spelling of 100245390 in words is "one hundred million, two hundred forty-five thousand, three hundred ninety".