100245550 has 12 divisors (see below), whose sum is σ = 186456816. Its totient is φ = 40098200.

The previous prime is 100245521. The next prime is 100245553. The reversal of 100245550 is 55542001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100245553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002406 + ... + 1002505.

It is an arithmetic number, because the mean of its divisors is an integer number (15538068).

Almost surely, 2^100245550 is an apocalyptic number.

100245550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100245550 is a deficient number, since it is larger than the sum of its proper divisors (86211266).

100245550 is a wasteful number, since it uses less digits than its factorization.

100245550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004923 (or 2004918 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 100245550 is about 10012.2699723889. The cubic root of 100245550 is about 464.5384868712.

Adding to 100245550 its reverse (55542001), we get a palindrome (155787551).

The spelling of 100245550 in words is "one hundred million, two hundred forty-five thousand, five hundred fifty".