130045549 has 2 divisors, whose sum is σ = 130045550. Its totient is φ = 130045548.

The previous prime is 130045477. The next prime is 130045567. The reversal of 130045549 is 945540031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112254025 + 17791524 = 10595^2 + 4218^2 .

It is a cyclic number.

It is not a de Polignac number, because 130045549 - 2¹⁹ = 129521261 is a prime.

It is a super-2 number, since 2×130045549² = 33823689629422802, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130045549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130045049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65022774 + 65022775.

It is an arithmetic number, because the mean of its divisors is an integer number (65022775).

Almost surely, 2^130045549 is an apocalyptic number.

It is an amenable number.

130045549 is a deficient number, since it is larger than the sum of its proper divisors (1).

130045549 is an equidigital number, since it uses as much as digits as its factorization.

130045549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 130045549 is about 11403.7515318425. The cubic root of 130045549 is about 506.6388596139.

The spelling of 130045549 in words is "one hundred thirty million, forty-five thousand, five hundred forty-nine".