45480251 has 2 divisors, whose sum is σ = 45480252. Its totient is φ = 45480250.

The previous prime is 45480233. The next prime is 45480299. The reversal of 45480251 is 15208454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45480251 - 2¹⁰ = 45479227 is a prime.

It is not a weakly prime, because it can be changed into another prime (45480551) 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, 22740125 + 22740126.

It is an arithmetic number, because the mean of its divisors is an integer number (22740126).

Almost surely, 2^45480251 is an apocalyptic number.

45480251 is a deficient number, since it is larger than the sum of its proper divisors (1).

45480251 is an equidigital number, since it uses as much as digits as its factorization.

45480251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 45480251 is about 6743.9047294576. The cubic root of 45480251 is about 356.9501901230.

The spelling of 45480251 in words is "forty-five million, four hundred eighty thousand, two hundred fifty-one".