45821018 has 16 divisors (see below), whose sum is σ = 73154664. Its totient is φ = 21450240.

The previous prime is 45821011. The next prime is 45821023. The reversal of 45821018 is 81012854.

It can be written as a sum of positive squares in 4 ways, for example, as 43784689 + 2036329 = 6617^2 + 1427^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45821011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278 + ... + 10118.

Almost surely, 2^45821018 is an apocalyptic number.

45821018 is a deficient number, since it is larger than the sum of its proper divisors (27333646).

45821018 is a wasteful number, since it uses less digits than its factorization.

45821018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 45821018 is about 6769.1223951115. The cubic root of 45821018 is about 357.8394721555.

The spelling of 45821018 in words is "forty-five million, eight hundred twenty-one thousand, eighteen".