100545244002 has 128 divisors (see below), whose sum is σ = 259925760000. Its totient is φ = 28213707456.

The previous prime is 100545244001. The next prime is 100545244123. The reversal of 100545244002 is 200442545001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100545244001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46141749 + ... + 46143927.

It is an arithmetic number, because the mean of its divisors is an integer number (2030670000).

Almost surely, 2^100545244002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100545244002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129962880000).

100545244002 is an abundant number, since it is smaller than the sum of its proper divisors (159380515998).

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

100545244002 is a wasteful number, since it uses less digits than its factorization.

100545244002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325 (or 4319 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 100545244002 its reverse (200442545001), we get a palindrome (300987789003).

The spelling of 100545244002 in words is "one hundred billion, five hundred forty-five million, two hundred forty-four thousand, two".