105445041454 has 8 divisors (see below), whose sum is σ = 158413547880. Its totient is φ = 52640525496.

The previous prime is 105445041421. The next prime is 105445041469. The reversal of 105445041454 is 454140544501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105445041454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40996009 + ... + 40998580.

It is an arithmetic number, because the mean of its divisors is an integer number (19801693485).

Almost surely, 2^105445041454 is an apocalyptic number.

105445041454 is a deficient number, since it is larger than the sum of its proper divisors (52968506426).

105445041454 is an equidigital number, since it uses as much as digits as its factorization.

105445041454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81995234.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 105445041454 its reverse (454140544501), we get a palindrome (559585585955).

The spelling of 105445041454 in words is "one hundred five billion, four hundred forty-five million, forty-one thousand, four hundred fifty-four".