45302891 has 2 divisors, whose sum is σ = 45302892. Its totient is φ = 45302890.

The previous prime is 45302857. The next prime is 45302903. The reversal of 45302891 is 19820354.

45302891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45302891 - 2¹⁸ = 45040747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45305891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22651445 + 22651446.

It is an arithmetic number, because the mean of its divisors is an integer number (22651446).

Almost surely, 2^45302891 is an apocalyptic number.

45302891 is a deficient number, since it is larger than the sum of its proper divisors (1).

45302891 is an equidigital number, since it uses as much as digits as its factorization.

45302891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 45302891 is about 6730.7422324733. The cubic root of 45302891 is about 356.4855843629.

The spelling of 45302891 in words is "forty-five million, three hundred two thousand, eight hundred ninety-one".