100116450 has 144 divisors (see below), whose sum is σ = 316080960. Its totient is φ = 22239360.

The previous prime is 100116431. The next prime is 100116479. The reversal of 100116450 is 54611001.

100116450 is a `hidden beast` number, since 10 + 0 + 11 + 645 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 116121 + ... + 116979.

Almost surely, 2^100116450 is an apocalyptic number.

100116450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100116450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158040480).

100116450 is an abundant number, since it is smaller than the sum of its proper divisors (215964510).

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

100116450 is a wasteful number, since it uses less digits than its factorization.

100116450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 100116450 is about 10005.8208059109. The cubic root of 100116450 is about 464.3389844767.

Adding to 100116450 its reverse (54611001), we get a palindrome (154727451).

It can be divided in two parts, 10011 and 6450, that added together give a palindrome (16461).

The spelling of 100116450 in words is "one hundred million, one hundred sixteen thousand, four hundred fifty".