100454243155 has 12 divisors (see below), whose sum is σ = 140225923440. Its totient is φ = 68882909424.

The previous prime is 100454243137. The next prime is 100454243171. The reversal of 100454243155 is 551342454001.

It is not a de Polignac number, because 100454243155 - 2⁷ = 100454243027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100454243155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205008415 + ... + 205008904.

It is an arithmetic number, because the mean of its divisors is an integer number (11685493620).

Almost surely, 2^100454243155 is an apocalyptic number.

100454243155 is a deficient number, since it is larger than the sum of its proper divisors (39771680285).

100454243155 is an equidigital number, since it uses as much as digits as its factorization.

100454243155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410017338 (or 410017331 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 100454243155 its reverse (551342454001), we get a palindrome (651796697156).

The spelling of 100454243155 in words is "one hundred billion, four hundred fifty-four million, two hundred forty-three thousand, one hundred fifty-five".