105245402454 has 48 divisors (see below), whose sum is σ = 233125102080. Its totient is φ = 34299750960.

The previous prime is 105245402443. The next prime is 105245402513. The reversal of 105245402454 is 454204542501.

105245402454 is a `hidden beast` number, since 1 + 0 + 5 + 245 + 402 + 4 + 5 + 4 = 666.

It is a super-2 number, since 2×105245402454² (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 23 ways as a sum of consecutive naturals, for example, 757407 + ... + 885525.

It is an arithmetic number, because the mean of its divisors is an integer number (4856772960).

Almost surely, 2^105245402454 is an apocalyptic number.

105245402454 is an abundant number, since it is smaller than the sum of its proper divisors (127879699626).

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

105245402454 is a wasteful number, since it uses less digits than its factorization.

105245402454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129145 (or 129142 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 105245402454 its reverse (454204542501), we get a palindrome (559449944955).

The spelling of 105245402454 in words is "one hundred five billion, two hundred forty-five million, four hundred two thousand, four hundred fifty-four".