1145769 has 8 divisors (see below), whose sum is σ = 1532640. Its totient is φ = 761376.

The previous prime is 1145747. The next prime is 1145773. The reversal of 1145769 is 9675411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145769 - 2¹⁷ = 1014697 is a prime.

It is a super-2 number, since 2×1145769² = 2625573202722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

1145769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1145789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (191580).

2^1145769 is an apocalyptic number.

It is an amenable number.

1145769 is a deficient number, since it is larger than the sum of its proper divisors (386871).

1145769 is an equidigital number, since it uses as much as digits as its factorization.

1145769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its digits is 7560, while the sum is 33.

The square root of 1145769 is about 1070.4059977410. The cubic root of 1145769 is about 104.6403112044.

The spelling of 1145769 in words is "one million, one hundred forty-five thousand, seven hundred sixty-nine".