45728471 has 2 divisors, whose sum is σ = 45728472. Its totient is φ = 45728470.

The previous prime is 45728437. The next prime is 45728491. The reversal of 45728471 is 17482754.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45728471 is a prime.

It is a super-3 number, since 3×45728471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45728401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22864235 + 22864236.

It is an arithmetic number, because the mean of its divisors is an integer number (22864236).

Almost surely, 2^45728471 is an apocalyptic number.

45728471 is a deficient number, since it is larger than the sum of its proper divisors (1).

45728471 is an equidigital number, since it uses as much as digits as its factorization.

45728471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 38.

The square root of 45728471 is about 6762.2829724879. The cubic root of 45728471 is about 357.5983943552.

The spelling of 45728471 in words is "forty-five million, seven hundred twenty-eight thousand, four hundred seventy-one".