1045385187 has 96 divisors (see below), whose sum is σ = 1879449600. Its totient is φ = 504377280.

The previous prime is 1045385183. The next prime is 1045385207. The reversal of 1045385187 is 7815835401.

It is not a de Polignac number, because 1045385187 - 2² = 1045385183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045385183) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2848278 + ... + 2848644.

It is an arithmetic number, because the mean of its divisors is an integer number (19577600).

Almost surely, 2^1045385187 is an apocalyptic number.

1045385187 is a deficient number, since it is larger than the sum of its proper divisors (834064413).

1045385187 is a wasteful number, since it uses less digits than its factorization.

1045385187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1045385187 is about 32332.4169681142. The cubic root of 1045385187 is about 1014.9051290072.

The spelling of 1045385187 in words is "one billion, forty-five million, three hundred eighty-five thousand, one hundred eighty-seven".