45028946 has 4 divisors (see below), whose sum is σ = 67543422. Its totient is φ = 22514472.

The previous prime is 45028943. The next prime is 45029059. The reversal of 45028946 is 64982054.

45028946 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: 64982054 = 2 ⋅32491027.

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 286225 = 6689^2 + 535^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45028943) 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 as a sum of consecutive naturals, namely, 11257235 + ... + 11257238.

Almost surely, 2^45028946 is an apocalyptic number.

45028946 is a deficient number, since it is larger than the sum of its proper divisors (22514476).

45028946 is a wasteful number, since it uses less digits than its factorization.

45028946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22514475.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 45028946 is about 6710.3610931156. The cubic root of 45028946 is about 355.7655791644.

The spelling of 45028946 in words is "forty-five million, twenty-eight thousand, nine hundred forty-six".