105145023434 has 16 divisors (see below), whose sum is σ = 179536167360. Its totient is φ = 45715227360.

The previous prime is 105145023421. The next prime is 105145023437. The reversal of 105145023434 is 434320541501.

It is a super-2 number, since 2×105145023434² (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 105145023434.

It is not an unprimeable number, because it can be changed into a prime (105145023437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103897739 + ... + 103898750.

It is an arithmetic number, because the mean of its divisors is an integer number (11221010460).

Almost surely, 2^105145023434 is an apocalyptic number.

105145023434 is a deficient number, since it is larger than the sum of its proper divisors (74391143926).

105145023434 is a wasteful number, since it uses less digits than its factorization.

105145023434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207796525.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 105145023434 its reverse (434320541501), we get a palindrome (539465564935).

The spelling of 105145023434 in words is "one hundred five billion, one hundred forty-five million, twenty-three thousand, four hundred thirty-four".