45520135481 has 2 divisors, whose sum is σ = 45520135482. Its totient is φ = 45520135480.

The previous prime is 45520135399. The next prime is 45520135517. The reversal of 45520135481 is 18453102554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36779568400 + 8740567081 = 191780^2 + 93491^2 .

It is a cyclic number.

It is not a de Polignac number, because 45520135481 - 2¹⁸ = 45519873337 is a prime.

It is a super-2 number, since 2×45520135481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45520135181) by changing a digit.

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 as a sum of consecutive naturals, namely, 22760067740 + 22760067741.

It is an arithmetic number, because the mean of its divisors is an integer number (22760067741).

Almost surely, 2^45520135481 is an apocalyptic number.

It is an amenable number.

45520135481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45520135481 is an equidigital number, since it uses as much as digits as its factorization.

45520135481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 45520135481 in words is "forty-five billion, five hundred twenty million, one hundred thirty-five thousand, four hundred eighty-one".