1002604145 has 4 divisors (see below), whose sum is σ = 1203124980. Its totient is φ = 802083312.

The previous prime is 1002604123. The next prime is 1002604171. The reversal of 1002604145 is 5414062001.

1002604145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 469502224 + 533101921 = 21668^2 + 23089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002604145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002604145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100260410 + ... + 100260419.

It is an arithmetic number, because the mean of its divisors is an integer number (300781245).

Almost surely, 2^1002604145 is an apocalyptic number.

It is an amenable number.

1002604145 is a deficient number, since it is larger than the sum of its proper divisors (200520835).

1002604145 is an equidigital number, since it uses as much as digits as its factorization.

1002604145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200520834.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1002604145 is about 31663.9249778040. The cubic root of 1002604145 is about 1000.8672959137.

Adding to 1002604145 its reverse (5414062001), we get a palindrome (6416666146).

The spelling of 1002604145 in words is "one billion, two million, six hundred four thousand, one hundred forty-five".