1045155115 has 16 divisors (see below), whose sum is σ = 1271985120. Its totient is φ = 824325120.

The previous prime is 1045155113. The next prime is 1045155179. The reversal of 1045155115 is 5115515401.

It is not a de Polignac number, because 1045155115 - 2¹ = 1045155113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045155113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126460 + ... + 134470.

It is an arithmetic number, because the mean of its divisors is an integer number (79499070).

Almost surely, 2^1045155115 is an apocalyptic number.

1045155115 is a deficient number, since it is larger than the sum of its proper divisors (226830005).

1045155115 is an equidigital number, since it uses as much as digits as its factorization.

1045155115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382.

The product of its (nonzero) digits is 2500, while the sum is 28.

The square root of 1045155115 is about 32328.8588570645. The cubic root of 1045155115 is about 1014.8306689301.

The spelling of 1045155115 in words is "one billion, forty-five million, one hundred fifty-five thousand, one hundred fifteen".