45728413 has 2 divisors, whose sum is σ = 45728414. Its totient is φ = 45728412.

The previous prime is 45728401. The next prime is 45728429. The reversal of 45728413 is 31482754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 20548089 = 5018^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 45728413 - 2⁵ = 45728381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45728213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22864206 + 22864207.

It is an arithmetic number, because the mean of its divisors is an integer number (22864207).

Almost surely, 2^45728413 is an apocalyptic number.

It is an amenable number.

45728413 is a deficient number, since it is larger than the sum of its proper divisors (1).

45728413 is an equidigital number, since it uses as much as digits as its factorization.

45728413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 45728413 is about 6762.2786839940. The cubic root of 45728413 is about 357.5982431678.

The spelling of 45728413 in words is "forty-five million, seven hundred twenty-eight thousand, four hundred thirteen".