45800561 has 4 divisors (see below), whose sum is σ = 47038452. Its totient is φ = 44562672.

The previous prime is 45800537. The next prime is 45800563. The reversal of 45800561 is 16500854.

It is a happy number.

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 28826161 + 16974400 = 5369^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 45800561 - 2⁶ = 45800497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45800563) 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, 618890 + ... + 618963.

It is an arithmetic number, because the mean of its divisors is an integer number (11759613).

Almost surely, 2^45800561 is an apocalyptic number.

It is an amenable number.

45800561 is a deficient number, since it is larger than the sum of its proper divisors (1237891).

45800561 is a wasteful number, since it uses less digits than its factorization.

45800561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237890.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 45800561 is about 6767.6111738190. The cubic root of 45800561 is about 357.7862112135.

The spelling of 45800561 in words is "forty-five million, eight hundred thousand, five hundred sixty-one".