45873890 has 8 divisors (see below), whose sum is σ = 82573020. Its totient is φ = 18349552.

The previous prime is 45873889. The next prime is 45873913. The reversal of 45873890 is 9837854.

It can be written as a sum of positive squares in 2 ways, for example, as 45873529 + 361 = 6773^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293685 + ... + 2293704.

Almost surely, 2^45873890 is an apocalyptic number.

45873890 is a deficient number, since it is larger than the sum of its proper divisors (36699130).

45873890 is a wasteful number, since it uses less digits than its factorization.

45873890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587396.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 45873890 is about 6773.0266498811. The cubic root of 45873890 is about 357.9770539687.

The spelling of 45873890 in words is "forty-five million, eight hundred seventy-three thousand, eight hundred ninety".