1045863108 has 18 divisors (see below), whose sum is σ = 2643709614. Its totient is φ = 348621024.

The previous prime is 1045863101. The next prime is 1045863109. The reversal of 1045863108 is 8013685401.

1045863108 is a `hidden beast` number, since 10 + 4 + 5 + 8 + 631 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 801003204 + 244859904 = 28302^2 + 15648^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 29051753 = 1045863108 / (1 + 0 + 4 + 5 + 8 + 6 + 3 + 1 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (1045863101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14525841 + ... + 14525912.

Almost surely, 2^1045863108 is an apocalyptic number.

1045863108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1045863108 is an abundant number, since it is smaller than the sum of its proper divisors (1597846506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045863108 is a wasteful number, since it uses less digits than its factorization.

1045863108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29051763 (or 29051758 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1045863108 is about 32339.8068639873. The cubic root of 1045863108 is about 1015.0597675662.

The spelling of 1045863108 in words is "one billion, forty-five million, eight hundred sixty-three thousand, one hundred eight".