130005045 has 12 divisors (see below), whose sum is σ = 225342156. Its totient is φ = 69336000.

The previous prime is 130005023. The next prime is 130005053. The reversal of 130005045 is 540500031.

It can be written as a sum of positive squares in 2 ways, for example, as 18301284 + 111703761 = 4278^2 + 10569^2 .

It is a de Polignac number, because none of the positive numbers 2^k-130005045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1444456 + ... + 1444545.

It is an arithmetic number, because the mean of its divisors is an integer number (18778513).

Almost surely, 2^130005045 is an apocalyptic number.

130005045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130005045 is a deficient number, since it is larger than the sum of its proper divisors (95337111).

130005045 is a wasteful number, since it uses less digits than its factorization.

130005045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889012 (or 2889009 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 130005045 is about 11401.9754867304. The cubic root of 130005045 is about 506.5862548884.

Adding to 130005045 its reverse (540500031), we get a palindrome (670505076).

The spelling of 130005045 in words is "one hundred thirty million, five thousand, forty-five".