100540455 has 16 divisors (see below), whose sum is σ = 161702880. Its totient is φ = 53342208.

The previous prime is 100540441. The next prime is 100540459. The reversal of 100540455 is 554045001.

It is not a de Polignac number, because 100540455 - 2⁵ = 100540423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100540459) 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, 14470 + ... + 20259.

It is an arithmetic number, because the mean of its divisors is an integer number (10106430).

Almost surely, 2^100540455 is an apocalyptic number.

100540455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100540455 is a deficient number, since it is larger than the sum of its proper divisors (61162425).

100540455 is a wasteful number, since it uses less digits than its factorization.

100540455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34930.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 100540455 is about 10026.9863368811. The cubic root of 100540455 is about 464.9935714223.

Adding to 100540455 its reverse (554045001), we get a palindrome (654585456).

The spelling of 100540455 in words is "one hundred million, five hundred forty thousand, four hundred fifty-five".