45628949 has 4 divisors (see below), whose sum is σ = 45661440. Its totient is φ = 45596460.

The previous prime is 45628927. The next prime is 45628951. The reversal of 45628949 is 94982654.

45628949 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45628949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47628949) 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, 14039 + ... + 16980.

It is an arithmetic number, because the mean of its divisors is an integer number (11415360).

Almost surely, 2^45628949 is an apocalyptic number.

It is an amenable number.

45628949 is a deficient number, since it is larger than the sum of its proper divisors (32491).

45628949 is a wasteful number, since it uses less digits than its factorization.

45628949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490.

The product of its digits is 622080, while the sum is 47.

The square root of 45628949 is about 6754.9203548228. The cubic root of 45628949 is about 357.3387839777.

The spelling of 45628949 in words is "forty-five million, six hundred twenty-eight thousand, nine hundred forty-nine".