45628481 has 16 divisors (see below), whose sum is σ = 50471040. Its totient is φ = 41057280.

The previous prime is 45628477. The next prime is 45628483. The reversal of 45628481 is 18482654.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45628481 - 2² = 45628477 is a prime.

It is a super-2 number, since 2×45628481² = 4163916556734722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45628483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84071 + ... + 84611.

It is an arithmetic number, because the mean of its divisors is an integer number (3154440).

Almost surely, 2^45628481 is an apocalyptic number.

It is an amenable number.

45628481 is a deficient number, since it is larger than the sum of its proper divisors (4842559).

45628481 is a wasteful number, since it uses less digits than its factorization.

45628481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its digits is 61440, while the sum is 38.

The square root of 45628481 is about 6754.8857133189. The cubic root of 45628481 is about 357.3375622744.

The spelling of 45628481 in words is "forty-five million, six hundred twenty-eight thousand, four hundred eighty-one".