1145871069 has 16 divisors (see below), whose sum is σ = 1746792960. Its totient is φ = 654519600.

The previous prime is 1145871047. The next prime is 1145871079. The reversal of 1145871069 is 9601785411.

It is not a de Polignac number, because 1145871069 - 2¹⁶ = 1145805533 is a prime.

It is a super-2 number, since 2×1145871069² = 2626041013542405522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145871069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145871079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50302 + ... + 69440.

It is an arithmetic number, because the mean of its divisors is an integer number (109174560).

Almost surely, 2^1145871069 is an apocalyptic number.

It is an amenable number.

1145871069 is a deficient number, since it is larger than the sum of its proper divisors (600921891).

1145871069 is a wasteful number, since it uses less digits than its factorization.

1145871069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 1145871069 is about 33850.7174074642. The cubic root of 1145871069 is about 1046.4341835043.

The spelling of 1145871069 in words is "one billion, one hundred forty-five million, eight hundred seventy-one thousand, sixty-nine".