1002145433 has 2 divisors, whose sum is σ = 1002145434. Its totient is φ = 1002145432.

The previous prime is 1002145379. The next prime is 1002145439. The reversal of 1002145433 is 3345412001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514972249 + 487173184 = 22693^2 + 22072^2 .

It is an emirp because it is prime and its reverse (3345412001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002145433 - 2¹⁴ = 1002129049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002145399 and 1002145408.

It is not a weakly prime, because it can be changed into another prime (1002145439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501072716 + 501072717.

It is an arithmetic number, because the mean of its divisors is an integer number (501072717).

Almost surely, 2^1002145433 is an apocalyptic number.

It is an amenable number.

1002145433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002145433 is an equidigital number, since it uses as much as digits as its factorization.

1002145433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1002145433 is about 31656.6807009200. The cubic root of 1002145433 is about 1000.7146335106.

Adding to 1002145433 its reverse (3345412001), we get a palindrome (4347557434).

The spelling of 1002145433 in words is "one billion, two million, one hundred forty-five thousand, four hundred thirty-three".