100445450 has 24 divisors (see below), whose sum is σ = 213519072. Its totient is φ = 34438320.

The previous prime is 100445437. The next prime is 100445459. The reversal of 100445450 is 54544001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100445459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143144 + ... + 143843.

It is an arithmetic number, because the mean of its divisors is an integer number (8896628).

Almost surely, 2^100445450 is an apocalyptic number.

100445450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100445450 is an abundant number, since it is smaller than the sum of its proper divisors (113073622).

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

100445450 is a wasteful number, since it uses less digits than its factorization.

100445450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287006 (or 287001 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 100445450 is about 10022.2477518768. The cubic root of 100445450 is about 464.8470611232.

Adding to 100445450 its reverse (54544001), we get a palindrome (154989451).

The spelling of 100445450 in words is "one hundred million, four hundred forty-five thousand, four hundred fifty".