45155155 has 8 divisors (see below), whose sum is σ = 54383472. Its totient is φ = 35992608.

The previous prime is 45155137. The next prime is 45155161. The reversal of 45155155 is 55155154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45155155 - 2¹¹ = 45153107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14917 + ... + 17686.

It is an arithmetic number, because the mean of its divisors is an integer number (6797934).

Almost surely, 2^45155155 is an apocalyptic number.

45155155 is a deficient number, since it is larger than the sum of its proper divisors (9228317).

45155155 is a wasteful number, since it uses less digits than its factorization.

45155155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32885.

The product of its digits is 12500, while the sum is 31.

The square root of 45155155 is about 6719.7585522100. The cubic root of 45155155 is about 356.0976539534.

Subtracting 45155155 from its reverse (55155154), we obtain a palindrome (9999999).

The spelling of 45155155 in words is "forty-five million, one hundred fifty-five thousand, one hundred fifty-five".