45728311 has 2 divisors, whose sum is σ = 45728312. Its totient is φ = 45728310.

The previous prime is 45728297. The next prime is 45728327. The reversal of 45728311 is 11382754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45728311 - 2¹⁹ = 45204023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45728341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22864155 + 22864156.

It is an arithmetic number, because the mean of its divisors is an integer number (22864156).

Almost surely, 2^45728311 is an apocalyptic number.

45728311 is a deficient number, since it is larger than the sum of its proper divisors (1).

45728311 is an equidigital number, since it uses as much as digits as its factorization.

45728311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 45728311 is about 6762.2711421534. The cubic root of 45728311 is about 357.5979772860.

The spelling of 45728311 in words is "forty-five million, seven hundred twenty-eight thousand, three hundred eleven".