100745556 has 24 divisors (see below), whose sum is σ = 235268544. Its totient is φ = 33553920.

The previous prime is 100745531. The next prime is 100745563. The reversal of 100745556 is 655547001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15796 + ... + 21236.

It is an arithmetic number, because the mean of its divisors is an integer number (9802856).

Almost surely, 2^100745556 is an apocalyptic number.

It is an amenable number.

100745556 is an abundant number, since it is smaller than the sum of its proper divisors (134522988).

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

100745556 is a wasteful number, since it uses less digits than its factorization.

100745556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991 (or 6989 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 100745556 is about 10037.2085760933. The cubic root of 100745556 is about 465.3095499284.

The spelling of 100745556 in words is "one hundred million, seven hundred forty-five thousand, five hundred fifty-six".