1002154442147 has 2 divisors, whose sum is σ = 1002154442148. Its totient is φ = 1002154442146.

The previous prime is 1002154442131. The next prime is 1002154442153. The reversal of 1002154442147 is 7412444512001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002154442147 - 2⁴ = 1002154442131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002154448147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501077221073 + 501077221074.

It is an arithmetic number, because the mean of its divisors is an integer number (501077221074).

Almost surely, 2^{1002154442147} is an apocalyptic number.

1002154442147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002154442147 is an equidigital number, since it uses as much as digits as its factorization.

1002154442147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 35.

Adding to 1002154442147 its reverse (7412444512001), we get a palindrome (8414598954148).

The spelling of 1002154442147 in words is "one trillion, two billion, one hundred fifty-four million, four hundred forty-two thousand, one hundred forty-seven".