100305045100 has 72 divisors (see below), whose sum is σ = 246742349840. Its totient is φ = 35086452480.

The previous prime is 100305045097. The next prime is 100305045103. The reversal of 100305045100 is 1540503001.

It is an interprime number because it is at equal distance from previous prime (100305045097) and next prime (100305045103).

It is a super-2 number, since 2×100305045100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (100305045103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2005767 + ... + 2055166.

Almost surely, 2^100305045100 is an apocalyptic number.

100305045100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100305045100 is an abundant number, since it is smaller than the sum of its proper divisors (146437304740).

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

100305045100 is a wasteful number, since it uses less digits than its factorization.

100305045100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060979 (or 4060972 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 100305045100 its reverse (1540503001), we get a palindrome (101845548101).

The spelling of 100305045100 in words is "one hundred billion, three hundred five million, forty-five thousand, one hundred".