130522445 has 8 divisors (see below), whose sum is σ = 157533336. Its totient is φ = 103813696.

The previous prime is 130522433. The next prime is 130522451. The reversal of 130522445 is 544225031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11035684 + 119486761 = 3322^2 + 10931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130522445 - 2²² = 126328141 is a prime.

It is a super-2 number, since 2×130522445² = 34072217297556050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74582 + ... + 76311.

It is an arithmetic number, because the mean of its divisors is an integer number (19691667).

Almost surely, 2^130522445 is an apocalyptic number.

It is an amenable number.

130522445 is a deficient number, since it is larger than the sum of its proper divisors (27010891).

130522445 is a wasteful number, since it uses less digits than its factorization.

130522445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151071.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 130522445 is about 11424.6420075204. The cubic root of 130522445 is about 507.2574103269.

Adding to 130522445 its reverse (544225031), we get a palindrome (674747476).

The spelling of 130522445 in words is "one hundred thirty million, five hundred twenty-two thousand, four hundred forty-five".