45728611 has 4 divisors (see below), whose sum is σ = 48135400. Its totient is φ = 43321824.

The previous prime is 45728591. The next prime is 45728677. The reversal of 45728611 is 11682754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11682754 = 2 ⋅5841377.

It is not a de Polignac number, because 45728611 - 2¹⁹ = 45204323 is a prime.

It is a super-2 number, since 2×45728611² = 4182211727978642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45728311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203366 + ... + 1203403.

It is an arithmetic number, because the mean of its divisors is an integer number (12033850).

Almost surely, 2^45728611 is an apocalyptic number.

45728611 is a deficient number, since it is larger than the sum of its proper divisors (2406789).

45728611 is a wasteful number, since it uses less digits than its factorization.

45728611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406788.

The product of its digits is 13440, while the sum is 34.

The square root of 45728611 is about 6762.2933240137. The cubic root of 45728611 is about 357.5987592900.

The spelling of 45728611 in words is "forty-five million, seven hundred twenty-eight thousand, six hundred eleven".