100513455 has 24 divisors (see below), whose sum is σ = 187079472. Its totient is φ = 45948672.

The previous prime is 100513447. The next prime is 100513499. The reversal of 100513455 is 554315001.

It is not a de Polignac number, because 100513455 - 2³ = 100513447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67642 + ... + 69111.

It is an arithmetic number, because the mean of its divisors is an integer number (7794978).

Almost surely, 2^100513455 is an apocalyptic number.

100513455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100513455 is a deficient number, since it is larger than the sum of its proper divisors (86566017).

100513455 is a wasteful number, since it uses less digits than its factorization.

100513455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136775 (or 136768 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 100513455 is about 10025.6398798281. The cubic root of 100513455 is about 464.9519432357.

Adding to 100513455 its reverse (554315001), we get a palindrome (654828456).

The spelling of 100513455 in words is "one hundred million, five hundred thirteen thousand, four hundred fifty-five".