45155115 has 24 divisors (see below), whose sum is σ = 82389840. Its totient is φ = 22814784.

The previous prime is 45155113. The next prime is 45155137. The reversal of 45155115 is 51155154.

It is not a de Polignac number, because 45155115 - 2¹ = 45155113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45155113) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25552 + ... + 27261.

It is an arithmetic number, because the mean of its divisors is an integer number (3432910).

Almost surely, 2^45155115 is an apocalyptic number.

45155115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45155115 is a deficient number, since it is larger than the sum of its proper divisors (37234725).

45155115 is a wasteful number, since it uses less digits than its factorization.

45155115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52843 (or 52840 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 45155115 is about 6719.7555759120. The cubic root of 45155115 is about 356.0975488055.

The spelling of 45155115 in words is "forty-five million, one hundred fifty-five thousand, one hundred fifteen".