45581811 has 32 divisors (see below), whose sum is σ = 72493056. Its totient is φ = 25152000.

The previous prime is 45581803. The next prime is 45581821. The reversal of 45581811 is 11818554.

It is not a de Polignac number, because 45581811 - 2³ = 45581803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (45581821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16081 + ... + 18701.

It is an arithmetic number, because the mean of its divisors is an integer number (2265408).

Almost surely, 2^45581811 is an apocalyptic number.

45581811 is a deficient number, since it is larger than the sum of its proper divisors (26911245).

45581811 is a wasteful number, since it uses less digits than its factorization.

45581811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its digits is 6400, while the sum is 33.

The square root of 45581811 is about 6751.4302929083. The cubic root of 45581811 is about 357.2156893216.

The spelling of 45581811 in words is "forty-five million, five hundred eighty-one thousand, eight hundred eleven".