1045161878 has 16 divisors (see below), whose sum is σ = 1592725680. Its totient is φ = 514285056.

The previous prime is 1045161833. The next prime is 1045161881. The reversal of 1045161878 is 8781615401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60518 + ... + 75846.

It is an arithmetic number, because the mean of its divisors is an integer number (99545355).

Almost surely, 2^1045161878 is an apocalyptic number.

1045161878 is a deficient number, since it is larger than the sum of its proper divisors (547563802).

1045161878 is a wasteful number, since it uses less digits than its factorization.

1045161878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871.

The product of its (nonzero) digits is 53760, while the sum is 41.

The square root of 1045161878 is about 32328.9634538443. The cubic root of 1045161878 is about 1014.8328578508.

The spelling of 1045161878 in words is "one billion, forty-five million, one hundred sixty-one thousand, eight hundred seventy-eight".