5415445145 has 12 divisors (see below), whose sum is σ = 7143017700. Its totient is φ = 3938505120.

The previous prime is 5415445127. The next prime is 5415445157.

5415445145 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 2594985481 + 2820459664 = 50941^2 + 53108^2 .

It is not a de Polignac number, because 5415445145 - 2¹⁰ = 5415444121 is a prime.

It is a super-2 number, since 2×5415445145² = 58654092237008142050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5415445099 and 5415445108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4474970 + ... + 4476179.

It is an arithmetic number, because the mean of its divisors is an integer number (595251475).

Almost surely, 2^5415445145 is an apocalyptic number.

5415445145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5415445145 is a deficient number, since it is larger than the sum of its proper divisors (1727572555).

5415445145 is a wasteful number, since it uses less digits than its factorization.

5415445145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951176 (or 8951165 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 5415445145 is about 73589.7081459086. The cubic root of 5415445145 is about 1756.0817128804.

It can be divided in two parts, 54154 and 45145, that added together give a palindrome (99299).

The spelling of 5415445145 in words is "five billion, four hundred fifteen million, four hundred forty-five thousand, one hundred forty-five".