45211549 has 2 divisors, whose sum is σ = 45211550. Its totient is φ = 45211548.

The previous prime is 45211519. The next prime is 45211567. The reversal of 45211549 is 94511254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 8305924 = 6075^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 45211549 - 2⁷ = 45211421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45211549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45211519) 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, 22605774 + 22605775.

It is an arithmetic number, because the mean of its divisors is an integer number (22605775).

Almost surely, 2^45211549 is an apocalyptic number.

It is an amenable number.

45211549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45211549 is an equidigital number, since it uses as much as digits as its factorization.

45211549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 45211549 is about 6723.9533758050. The cubic root of 45211549 is about 356.2458350185.

The spelling of 45211549 in words is "forty-five million, two hundred eleven thousand, five hundred forty-nine".