1530012143 has 12 divisors (see below), whose sum is σ = 1677221928. Its totient is φ = 1384187760.

The previous prime is 1530012089. The next prime is 1530012163. The reversal of 1530012143 is 3412100351.

It is not a de Polignac number, because 1530012143 - 2⁸ = 1530011887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530012163) 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 in 11 ways as a sum of consecutive naturals, for example, 545621 + ... + 548417.

It is an arithmetic number, because the mean of its divisors is an integer number (139768494).

Almost surely, 2^1530012143 is an apocalyptic number.

1530012143 is a deficient number, since it is larger than the sum of its proper divisors (147209785).

1530012143 is an equidigital number, since it uses as much as digits as its factorization.

1530012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254 (or 3031 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1530012143 is about 39115.3696518389. The cubic root of 1530012143 is about 1152.2984009393.

Adding to 1530012143 its reverse (3412100351), we get a palindrome (4942112494).

The spelling of 1530012143 in words is "one billion, five hundred thirty million, twelve thousand, one hundred forty-three".