105354442451 has 4 divisors (see below), whose sum is σ = 105355559904. Its totient is φ = 105353325000.

The previous prime is 105354442441. The next prime is 105354442489. The reversal of 105354442451 is 154244453501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105354442451 - 2²² = 105350248147 is a prime.

It is a super-2 number, since 2×105354442451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105354442411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402800 + ... + 610701.

It is an arithmetic number, because the mean of its divisors is an integer number (26338889976).

Almost surely, 2^105354442451 is an apocalyptic number.

105354442451 is a deficient number, since it is larger than the sum of its proper divisors (1117453).

105354442451 is a wasteful number, since it uses less digits than its factorization.

105354442451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117452.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 105354442451 its reverse (154244453501), we get a palindrome (259598895952).

The spelling of 105354442451 in words is "one hundred five billion, three hundred fifty-four million, four hundred forty-two thousand, four hundred fifty-one".