1025144147 has 2 divisors, whose sum is σ = 1025144148. Its totient is φ = 1025144146.

The previous prime is 1025144137. The next prime is 1025144191. The reversal of 1025144147 is 7414415201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025144147 - 2¹⁸ = 1024882003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025144117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512572073 + 512572074.

It is an arithmetic number, because the mean of its divisors is an integer number (512572074).

Almost surely, 2^1025144147 is an apocalyptic number.

1025144147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025144147 is an equidigital number, since it uses as much as digits as its factorization.

1025144147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1025144147 is about 32017.8723059481. The cubic root of 1025144147 is about 1008.3120998982.

Adding to 1025144147 its reverse (7414415201), we get a palindrome (8439559348).

The spelling of 1025144147 in words is "one billion, twenty-five million, one hundred forty-four thousand, one hundred forty-seven".