1002150022145 has 4 divisors (see below), whose sum is σ = 1202580026580. Its totient is φ = 801720017712.

The previous prime is 1002150022109. The next prime is 1002150022157. The reversal of 1002150022145 is 5412200512001.

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 154408130704 + 847741891441 = 392948^2 + 920729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002150022145 - 2¹⁴ = 1002150005761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002150022145.

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, 100215002210 + ... + 100215002219.

It is an arithmetic number, because the mean of its divisors is an integer number (300645006645).

Almost surely, 2^{1002150022145} is an apocalyptic number.

It is an amenable number.

1002150022145 is a deficient number, since it is larger than the sum of its proper divisors (200430004435).

1002150022145 is an equidigital number, since it uses as much as digits as its factorization.

1002150022145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200430004434.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 1002150022145 its reverse (5412200512001), we get a palindrome (6414350534146).

The spelling of 1002150022145 in words is "one trillion, two billion, one hundred fifty million, twenty-two thousand, one hundred forty-five".