45544574129 has 2 divisors, whose sum is σ = 45544574130. Its totient is φ = 45544574128.

The previous prime is 45544574107. The next prime is 45544574137. The reversal of 45544574129 is 92147544554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39115741729 + 6428832400 = 197777^2 + 80180^2 .

It is a cyclic number.

It is not a de Polignac number, because 45544574129 - 2³² = 41249606833 is a prime.

It is a super-2 number, since 2×45544574129² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45544574189) 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, 22772287064 + 22772287065.

It is an arithmetic number, because the mean of its divisors is an integer number (22772287065).

Almost surely, 2^45544574129 is an apocalyptic number.

It is an amenable number.

45544574129 is a deficient number, since it is larger than the sum of its proper divisors (1).

45544574129 is an equidigital number, since it uses as much as digits as its factorization.

45544574129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032000, while the sum is 50.

The spelling of 45544574129 in words is "forty-five billion, five hundred forty-four million, five hundred seventy-four thousand, one hundred twenty-nine".