130522523445 has 32 divisors (see below), whose sum is σ = 232177184640. Its totient is φ = 69570869760.

The previous prime is 130522523441. The next prime is 130522523479. The reversal of 130522523445 is 544325225031.

130522523445 is a `hidden beast` number, since 1 + 305 + 2 + 2 + 5 + 2 + 344 + 5 = 666.

It is not a de Polignac number, because 130522523445 - 2² = 130522523441 is a prime.

It is a super-2 number, since 2×130522523445² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130522523441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55771 + ... + 513960.

It is an arithmetic number, because the mean of its divisors is an integer number (7255537020).

Almost surely, 2^130522523445 is an apocalyptic number.

130522523445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130522523445 is a deficient number, since it is larger than the sum of its proper divisors (101654661195).

130522523445 is a wasteful number, since it uses less digits than its factorization.

130522523445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571442 (or 571436 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 130522523445 its reverse (544325225031), we get a palindrome (674847748476).

The spelling of 130522523445 in words is "one hundred thirty billion, five hundred twenty-two million, five hundred twenty-three thousand, four hundred forty-five".