1145969769 has 16 divisors (see below), whose sum is σ = 1751254400. Its totient is φ = 652959360.

The previous prime is 1145969767. The next prime is 1145969789. The reversal of 1145969769 is 9679695411.

It is not a de Polignac number, because 1145969769 - 2¹ = 1145969767 is a prime.

It is a super-2 number, since 2×1145969769² = 2626493422923826722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145969767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70852 + ... + 85509.

It is an arithmetic number, because the mean of its divisors is an integer number (109453400).

Almost surely, 2^1145969769 is an apocalyptic number.

It is an amenable number.

1145969769 is a deficient number, since it is larger than the sum of its proper divisors (605284631).

1145969769 is a wasteful number, since it uses less digits than its factorization.

1145969769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156720.

The product of its digits is 3674160, while the sum is 57.

The square root of 1145969769 is about 33852.1752476853. The cubic root of 1145969769 is about 1046.4642276316.

The spelling of 1145969769 in words is "one billion, one hundred forty-five million, nine hundred sixty-nine thousand, seven hundred sixty-nine".