45581355 has 12 divisors (see below), whose sum is σ = 79007760. Its totient is φ = 24310032.

The previous prime is 45581329. The next prime is 45581383. The reversal of 45581355 is 55318554.

It is a happy number.

45581355 is a `hidden beast` number, since 45 + 581 + 35 + 5 = 666.

45581355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45581355 - 2¹⁴ = 45564971 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506415 + ... + 506504.

It is an arithmetic number, because the mean of its divisors is an integer number (6583980).

Almost surely, 2^45581355 is an apocalyptic number.

45581355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45581355 is a deficient number, since it is larger than the sum of its proper divisors (33426405).

45581355 is a wasteful number, since it uses less digits than its factorization.

45581355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012930 (or 1012927 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 45581355 is about 6751.3965222019. The cubic root of 45581355 is about 357.2144981235.

It can be divided in two parts, 455 and 81355, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 45581355 in words is "forty-five million, five hundred eighty-one thousand, three hundred fifty-five".