100545620 has 24 divisors (see below), whose sum is σ = 241309824. Its totient is φ = 34472736.

The previous prime is 100545593. The next prime is 100545623. The reversal of 100545620 is 26545001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100545623) 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, 358952 + ... + 359231.

It is an arithmetic number, because the mean of its divisors is an integer number (10054576).

Almost surely, 2^100545620 is an apocalyptic number.

100545620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100545620 is an abundant number, since it is smaller than the sum of its proper divisors (140764204).

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

100545620 is a wasteful number, since it uses less digits than its factorization.

100545620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718199 (or 718197 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 100545620 is about 10027.2438885269. The cubic root of 100545620 is about 465.0015338910.

The spelling of 100545620 in words is "one hundred million, five hundred forty-five thousand, six hundred twenty".