105451042154 has 8 divisors (see below), whose sum is σ = 158443304580. Its totient is φ = 52636607296.

The previous prime is 105451042139. The next prime is 105451042163. The reversal of 105451042154 is 451240154501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99588842929 + 5862199225 = 315577^2 + 76565^2 .

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

It is a super-2 number, since 2×105451042154² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105451042154.

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, 44455409 + ... + 44457780.

Almost surely, 2^105451042154 is an apocalyptic number.

105451042154 is a deficient number, since it is larger than the sum of its proper divisors (52992262426).

105451042154 is an equidigital number, since it uses as much as digits as its factorization.

105451042154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88913784.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 105451042154 its reverse (451240154501), we get a palindrome (556691196655).

The spelling of 105451042154 in words is "one hundred five billion, four hundred fifty-one million, forty-two thousand, one hundred fifty-four".