100404455 has 32 divisors (see below), whose sum is σ = 131328000. Its totient is φ = 73446912.

The previous prime is 100404427. The next prime is 100404463. The reversal of 100404455 is 554404001.

It is a cyclic number.

It is not a de Polignac number, because 100404455 - 2¹⁰ = 100403431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100404455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504446 + ... + 504644.

It is an arithmetic number, because the mean of its divisors is an integer number (4104000).

Almost surely, 2^100404455 is an apocalyptic number.

100404455 is a deficient number, since it is larger than the sum of its proper divisors (30923545).

100404455 is a wasteful number, since it uses less digits than its factorization.

100404455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 100404455 is about 10020.2023432663. The cubic root of 100404455 is about 464.7838128680.

Adding to 100404455 its reverse (554404001), we get a palindrome (654808456).

The spelling of 100404455 in words is "one hundred million, four hundred four thousand, four hundred fifty-five".