835440145 has 8 divisors (see below), whose sum is σ = 1012864104. Its totient is φ = 661461504.

The previous prime is 835440103. The next prime is 835440191. The reversal of 835440145 is 541044538.

835440145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 69755904 + 765684241 = 8352^2 + 27671^2 .

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 835440145 - 2¹⁷ = 835309073 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 835440145.

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, 860794 + ... + 861763.

It is an arithmetic number, because the mean of its divisors is an integer number (126608013).

Almost surely, 2^835440145 is an apocalyptic number.

It is an amenable number.

835440145 is a deficient number, since it is larger than the sum of its proper divisors (177423959).

835440145 is a wasteful number, since it uses less digits than its factorization.

835440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722659.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 835440145 is about 28903.9814731466. The cubic root of 835440145 is about 941.8283957823.

The spelling of 835440145 in words is "eight hundred thirty-five million, four hundred forty thousand, one hundred forty-five".