320145435 has 48 divisors (see below), whose sum is σ = 570061440. Its totient is φ = 166129920.

The previous prime is 320145407. The next prime is 320145467. The reversal of 320145435 is 534541023.

320145435 is a `hidden beast` number, since 3 + 201 + 454 + 3 + 5 = 666.

It is not a de Polignac number, because 320145435 - 2¹¹ = 320143387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320145399 and 320145408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484005 + ... + 484665.

It is an arithmetic number, because the mean of its divisors is an integer number (11876280).

Almost surely, 2^320145435 is an apocalyptic number.

320145435 is a deficient number, since it is larger than the sum of its proper divisors (249916005).

320145435 is a wasteful number, since it uses less digits than its factorization.

320145435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 320145435 is about 17892.6083900587. The cubic root of 320145435 is about 684.0939839565.

Adding to 320145435 its reverse (534541023), we get a palindrome (854686458).

The spelling of 320145435 in words is "three hundred twenty million, one hundred forty-five thousand, four hundred thirty-five".