1047016845 has 48 divisors (see below), whose sum is σ = 2090005632. Its totient is φ = 474963840.

The previous prime is 1047016837. The next prime is 1047016849. The reversal of 1047016845 is 5486107401.

It is a happy number.

It is not a de Polignac number, because 1047016845 - 2³ = 1047016837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047016849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28579 + ... + 53951.

It is an arithmetic number, because the mean of its divisors is an integer number (43541784).

Almost surely, 2^1047016845 is an apocalyptic number.

1047016845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047016845 is a deficient number, since it is larger than the sum of its proper divisors (1042988787).

1047016845 is a wasteful number, since it uses less digits than its factorization.

1047016845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522 (or 25519 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1047016845 is about 32357.6396697905. The cubic root of 1047016845 is about 1015.4328825659.

The spelling of 1047016845 in words is "one billion, forty-seven million, sixteen thousand, eight hundred forty-five".