105450345045 has 16 divisors (see below), whose sum is σ = 187467280320. Its totient is φ = 56240183952.

The previous prime is 105450345043. The next prime is 105450345071. The reversal of 105450345045 is 540543054501.

105450345045 is a `hidden beast` number, since 10 + 54 + 503 + 4 + 50 + 45 = 666.

It is not a de Polignac number, because 105450345045 - 2¹ = 105450345043 is a prime.

It is a super-2 number, since 2×105450345045² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105450345043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390556699 + ... + 390556968.

It is an arithmetic number, because the mean of its divisors is an integer number (11716705020).

Almost surely, 2^105450345045 is an apocalyptic number.

105450345045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105450345045 is a deficient number, since it is larger than the sum of its proper divisors (82016935275).

105450345045 is an equidigital number, since it uses as much as digits as its factorization.

105450345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781113681 (or 781113675 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 105450345045 its reverse (540543054501), we get a palindrome (645993399546).

The spelling of 105450345045 in words is "one hundred five billion, four hundred fifty million, three hundred forty-five thousand, forty-five".