1430002143 has 6 divisors (see below), whose sum is σ = 2065558664. Its totient is φ = 953334756.

The previous prime is 1430002139. The next prime is 1430002237. The reversal of 1430002143 is 3412000341.

It is not a de Polignac number, because 1430002143 - 2² = 1430002139 is a prime.

It is a super-2 number, since 2×1430002143² = 4089812257969184898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430002543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79444555 + ... + 79444572.

Almost surely, 2^1430002143 is an apocalyptic number.

1430002143 is a deficient number, since it is larger than the sum of its proper divisors (635556521).

1430002143 is a wasteful number, since it uses less digits than its factorization.

1430002143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158889133 (or 158889130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1430002143 is about 37815.3691374288. The cubic root of 1430002143 is about 1126.6237341206.

Adding to 1430002143 its reverse (3412000341), we get a palindrome (4842002484).

The spelling of 1430002143 in words is "one billion, four hundred thirty million, two thousand, one hundred forty-three".