45805911 has 4 divisors (see below), whose sum is σ = 61074552. Its totient is φ = 30537272.

The previous prime is 45805891. The next prime is 45805913. The reversal of 45805911 is 11950854.

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

It is a cyclic number.

It is not a de Polignac number, because 45805911 - 2⁶ = 45805847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45805913) 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, 7634316 + ... + 7634321.

It is an arithmetic number, because the mean of its divisors is an integer number (15268638).

Almost surely, 2^45805911 is an apocalyptic number.

45805911 is a deficient number, since it is larger than the sum of its proper divisors (15268641).

45805911 is a wasteful number, since it uses less digits than its factorization.

45805911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15268640.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 45805911 is about 6768.0064273019. The cubic root of 45805911 is about 357.8001417685.

The spelling of 45805911 in words is "forty-five million, eight hundred five thousand, nine hundred eleven".