45544155131 has 2 divisors, whose sum is σ = 45544155132. Its totient is φ = 45544155130.

The previous prime is 45544155121. The next prime is 45544155149. The reversal of 45544155131 is 13155144554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45544155131 - 2²² = 45539960827 is a prime.

It is a super-2 number, since 2×45544155131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45544155101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772077565 + 22772077566.

It is an arithmetic number, because the mean of its divisors is an integer number (22772077566).

Almost surely, 2^45544155131 is an apocalyptic number.

45544155131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45544155131 is an equidigital number, since it uses as much as digits as its factorization.

45544155131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120000, while the sum is 38.

Adding to 45544155131 its reverse (13155144554), we get a palindrome (58699299685).

The spelling of 45544155131 in words is "forty-five billion, five hundred forty-four million, one hundred fifty-five thousand, one hundred thirty-one".