45201155 has 4 divisors (see below), whose sum is σ = 54241392. Its totient is φ = 36160920.

The previous prime is 45201097. The next prime is 45201173. The reversal of 45201155 is 55110254.

It is a happy number.

45201155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45201155 - 2⁸ = 45200899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45201155.

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 3 ways as a sum of consecutive naturals, for example, 4520111 + ... + 4520120.

It is an arithmetic number, because the mean of its divisors is an integer number (13560348).

Almost surely, 2^45201155 is an apocalyptic number.

45201155 is a deficient number, since it is larger than the sum of its proper divisors (9040237).

45201155 is an equidigital number, since it uses as much as digits as its factorization.

45201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040236.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 45201155 is about 6723.1804229843. The cubic root of 45201155 is about 356.2185329752.

Subtracting 45201155 from its reverse (55110254), we obtain a palindrome (9909099).

The spelling of 45201155 in words is "forty-five million, two hundred one thousand, one hundred fifty-five".