45133155 has 24 divisors (see below), whose sum is σ = 80348112. Its totient is φ = 23419584.

The previous prime is 45133141. The next prime is 45133201. The reversal of 45133155 is 55133154.

45133155 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 45133155 - 2¹⁵ = 45100387 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 23 ways as a sum of consecutive naturals, for example, 11889 + ... + 15218.

It is an arithmetic number, because the mean of its divisors is an integer number (3347838).

Almost surely, 2^45133155 is an apocalyptic number.

45133155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45133155 is a deficient number, since it is larger than the sum of its proper divisors (35214957).

45133155 is a wasteful number, since it uses less digits than its factorization.

45133155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155 (or 27152 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 45133155 is about 6718.1213891980. The cubic root of 45133155 is about 356.0398132261.

Subtracting 45133155 from its reverse (55133154), we obtain a palindrome (9999999).

The spelling of 45133155 in words is "forty-five million, one hundred thirty-three thousand, one hundred fifty-five".