100344540 has 48 divisors (see below), whose sum is σ = 297495072. Its totient is φ = 25184256.

The previous prime is 100344539. The next prime is 100344547. The reversal of 100344540 is 45443001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100344547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48169 + ... + 50208.

It is an arithmetic number, because the mean of its divisors is an integer number (6197814).

Almost surely, 2^100344540 is an apocalyptic number.

100344540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100344540 is an abundant number, since it is smaller than the sum of its proper divisors (197150532).

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

100344540 is a wasteful number, since it uses less digits than its factorization.

100344540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98406 (or 98404 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 100344540 is about 10017.2121870309. The cubic root of 100344540 is about 464.6913433217.

Adding to 100344540 its reverse (45443001), we get a palindrome (145787541).

The spelling of 100344540 in words is "one hundred million, three hundred forty-four thousand, five hundred forty".