105244391455 has 32 divisors (see below), whose sum is σ = 149551142400. Its totient is φ = 69605757312.

The previous prime is 105244391449. The next prime is 105244391467. The reversal of 105244391455 is 554193442501.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-105244391455 is a prime.

It is a super-2 number, since 2×105244391455² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371365 + ... + 590254.

It is an arithmetic number, because the mean of its divisors is an integer number (4673473200).

Almost surely, 2^105244391455 is an apocalyptic number.

105244391455 is a deficient number, since it is larger than the sum of its proper divisors (44306750945).

105244391455 is an equidigital number, since it uses as much as digits as its factorization.

105244391455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961743.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 105244391455 in words is "one hundred five billion, two hundred forty-four million, three hundred ninety-one thousand, four hundred fifty-five".