45551461 has 2 divisors, whose sum is σ = 45551462. Its totient is φ = 45551460.

The previous prime is 45551459. The next prime is 45551497. The reversal of 45551461 is 16415554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35628961 + 9922500 = 5969^2 + 3150^2 .

It is a cyclic number.

It is not a de Polignac number, because 45551461 - 2¹ = 45551459 is a prime.

Together with 45551459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45551761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775730 + 22775731.

It is an arithmetic number, because the mean of its divisors is an integer number (22775731).

Almost surely, 2^45551461 is an apocalyptic number.

It is an amenable number.

45551461 is a deficient number, since it is larger than the sum of its proper divisors (1).

45551461 is an equidigital number, since it uses as much as digits as its factorization.

45551461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 31.

The square root of 45551461 is about 6749.1822467615. The cubic root of 45551461 is about 357.1363893914.

The spelling of 45551461 in words is "forty-five million, five hundred fifty-one thousand, four hundred sixty-one".