1045155112 has 8 divisors (see below), whose sum is σ = 1959665850. Its totient is φ = 522577552.

The previous prime is 1045155091. The next prime is 1045155113. The reversal of 1045155112 is 2115515401.

It can be written as a sum of positive squares in only one way, i.e., 768065796 + 277089316 = 27714^2 + 16646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 65322187 + ... + 65322202.

Almost surely, 2^1045155112 is an apocalyptic number.

It is an amenable number.

1045155112 is a deficient number, since it is larger than the sum of its proper divisors (914510738).

1045155112 is a wasteful number, since it uses less digits than its factorization.

1045155112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130644395 (or 130644391 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1045155112 is about 32328.8588106664. The cubic root of 1045155112 is about 1014.8306679591.

The spelling of 1045155112 in words is "one billion, forty-five million, one hundred fifty-five thousand, one hundred twelve".