699145 has 8 divisors (see below), whose sum is σ = 851904. Its totient is φ = 550704.

The previous prime is 699133. The next prime is 699151. The reversal of 699145 is 541996.

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 699145 - 2⁵ = 699113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 699145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709 + ... + 1378.

It is an arithmetic number, because the mean of its divisors is an integer number (106488).

2⁶⁹⁹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

699145 is a deficient number, since it is larger than the sum of its proper divisors (152759).

699145 is a wasteful number, since it uses less digits than its factorization.

699145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its digits is 9720, while the sum is 34.

The square root of 699145 is about 836.1489101829. The cubic root of 699145 is about 88.7542350687.

The spelling of 699145 in words is "six hundred ninety-nine thousand, one hundred forty-five".