100645042848 has 192 divisors, whose sum is σ = 305353359360. Its totient is φ = 28431470592.

The previous prime is 100645042847. The next prime is 100645042871. The reversal of 100645042848 is 848240546001.

It is a super-2 number, since 2×100645042848² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (100645042847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36371961 + ... + 36374727.

It is an arithmetic number, because the mean of its divisors is an integer number (1590382080).

Almost surely, 2^100645042848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100645042848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152676679680).

100645042848 is an abundant number, since it is smaller than the sum of its proper divisors (204708316512).

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

100645042848 is a wasteful number, since it uses less digits than its factorization.

100645042848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

Adding to 100645042848 its reverse (848240546001), we get a palindrome (948885588849).

The spelling of 100645042848 in words is "one hundred billion, six hundred forty-five million, forty-two thousand, eight hundred forty-eight".