769145 has 8 divisors (see below), whose sum is σ = 994056. Its totient is φ = 567936.

The previous prime is 769123. The next prime is 769147. The reversal of 769145 is 541967.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 652864 = 341^2 + 808^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 769145 - 2⁶ = 769081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769147) 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 7 ways as a sum of consecutive naturals, for example, 5852 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (124257).

2⁷⁶⁹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

769145 is a deficient number, since it is larger than the sum of its proper divisors (224911).

769145 is a wasteful number, since it uses less digits than its factorization.

769145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851.

The product of its digits is 7560, while the sum is 32.

The square root of 769145 is about 877.0091219594. The cubic root of 769145 is about 91.6226271466.

The spelling of 769145 in words is "seven hundred sixty-nine thousand, one hundred forty-five".