105345125454 has 16 divisors (see below), whose sum is σ = 210729382992. Its totient is φ = 35108519808.

The previous prime is 105345125449. The next prime is 105345125467. The reversal of 105345125454 is 454521543501.

It is a super-2 number, since 2×105345125454² (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 7 ways as a sum of consecutive naturals, for example, 1595449 + ... + 1660164.

It is an arithmetic number, because the mean of its divisors is an integer number (13170586437).

Almost surely, 2^105345125454 is an apocalyptic number.

105345125454 is an abundant number, since it is smaller than the sum of its proper divisors (105384257538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105345125454 is a wasteful number, since it uses less digits than its factorization.

105345125454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261011.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 105345125454 its reverse (454521543501), we get a palindrome (559866668955).

The spelling of 105345125454 in words is "one hundred five billion, three hundred forty-five million, one hundred twenty-five thousand, four hundred fifty-four".