1608434145 has 16 divisors (see below), whose sum is σ = 2859438720. Its totient is φ = 857831472.

The previous prime is 1608434143. The next prime is 1608434147. The reversal of 1608434145 is 5414348061.

1608434145 is a `hidden beast` number, since 1 + 608 + 4 + 3 + 4 + 1 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (1608434143) and next prime (1608434147).

It is not a de Polignac number, because 1608434145 - 2¹ = 1608434143 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1608434143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5957029 + ... + 5957298.

It is an arithmetic number, because the mean of its divisors is an integer number (178714920).

Almost surely, 2^1608434145 is an apocalyptic number.

1608434145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1608434145 is a deficient number, since it is larger than the sum of its proper divisors (1251004575).

1608434145 is a wasteful number, since it uses less digits than its factorization.

1608434145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914341 (or 11914335 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1608434145 is about 40105.2882423254. The cubic root of 1608434145 is about 1171.6586271878.

The spelling of 1608434145 in words is "one billion, six hundred eight million, four hundred thirty-four thousand, one hundred forty-five".