45728101 has 4 divisors (see below), whose sum is σ = 46477804. Its totient is φ = 44978400.

The previous prime is 45728083. The next prime is 45728119. The reversal of 45728101 is 10182754.

45728101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10182754 = 2 ⋅5091377.

It is an interprime number because it is at equal distance from previous prime (45728083) and next prime (45728119).

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 43164900 = 1601^2 + 6570^2 .

It is a cyclic number.

It is not a de Polignac number, because 45728101 - 2¹¹ = 45726053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45728101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45728141) 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 in 3 ways as a sum of consecutive naturals, for example, 374760 + ... + 374881.

It is an arithmetic number, because the mean of its divisors is an integer number (11619451).

Almost surely, 2^45728101 is an apocalyptic number.

It is an amenable number.

45728101 is a deficient number, since it is larger than the sum of its proper divisors (749703).

45728101 is an equidigital number, since it uses as much as digits as its factorization.

45728101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749702.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 45728101 is about 6762.2556148078. The cubic root of 45728101 is about 357.5974298812.

The spelling of 45728101 in words is "forty-five million, seven hundred twenty-eight thousand, one hundred one".