100445206556 has 24 divisors (see below), whose sum is σ = 176199295104. Its totient is φ = 50102677440.

The previous prime is 100445206489. The next prime is 100445206559. The reversal of 100445206556 is 655602544001.

It is a super-2 number, since 2×100445206556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100445206559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371381 + ... + 3401043.

It is an arithmetic number, because the mean of its divisors is an integer number (7341637296).

Almost surely, 2^100445206556 is an apocalyptic number.

It is an amenable number.

100445206556 is a deficient number, since it is larger than the sum of its proper divisors (75754088548).

100445206556 is a wasteful number, since it uses less digits than its factorization.

100445206556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31661 (or 31659 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 100445206556 in words is "one hundred billion, four hundred forty-five million, two hundred six thousand, five hundred fifty-six".