45064973 has 4 divisors (see below), whose sum is σ = 45094140. Its totient is φ = 45035808.

The previous prime is 45064969. The next prime is 45064993. The reversal of 45064973 is 37946054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6959044 + 38105929 = 2638^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 45064973 - 2² = 45064969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45064993) 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, 12128 + ... + 15401.

It is an arithmetic number, because the mean of its divisors is an integer number (11273535).

Almost surely, 2^45064973 is an apocalyptic number.

It is an amenable number.

45064973 is a deficient number, since it is larger than the sum of its proper divisors (29167).

45064973 is a wasteful number, since it uses less digits than its factorization.

45064973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29166.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 45064973 is about 6713.0449871873. The cubic root of 45064973 is about 355.8604348140.

The spelling of 45064973 in words is "forty-five million, sixty-four thousand, nine hundred seventy-three".