45540461 has 2 divisors, whose sum is σ = 45540462. Its totient is φ = 45540460.

The previous prime is 45540413. The next prime is 45540479. The reversal of 45540461 is 16404554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 570025 = 6706^2 + 755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45540461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45540401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22770230 + 22770231.

It is an arithmetic number, because the mean of its divisors is an integer number (22770231).

Almost surely, 2^45540461 is an apocalyptic number.

It is an amenable number.

45540461 is a deficient number, since it is larger than the sum of its proper divisors (1).

45540461 is an equidigital number, since it uses as much as digits as its factorization.

45540461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 45540461 is about 6748.3672840177. The cubic root of 45540461 is about 357.1076393692.

The spelling of 45540461 in words is "forty-five million, five hundred forty thousand, four hundred sixty-one".