45151545181 has 2 divisors, whose sum is σ = 45151545182. Its totient is φ = 45151545180.

The previous prime is 45151545143. The next prime is 45151545209. The reversal of 45151545181 is 18154515154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43946413956 + 1205131225 = 209634^2 + 34715^2 .

It is a cyclic number.

It is not a de Polignac number, because 45151545181 - 2³⁵ = 10791806813 is a prime.

It is a super-2 number, since 2×45151545181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45151542181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22575772590 + 22575772591.

It is an arithmetic number, because the mean of its divisors is an integer number (22575772591).

Almost surely, 2^45151545181 is an apocalyptic number.

It is an amenable number.

45151545181 is a deficient number, since it is larger than the sum of its proper divisors (1).

45151545181 is an equidigital number, since it uses as much as digits as its factorization.

45151545181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80000, while the sum is 40.

The spelling of 45151545181 in words is "forty-five billion, one hundred fifty-one million, five hundred forty-five thousand, one hundred eighty-one".