1430021450143 has 16 divisors (see below), whose sum is σ = 1683766980000. Its totient is φ = 1197345300480.

The previous prime is 1430021450129. The next prime is 1430021450183. The reversal of 1430021450143 is 3410541200341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430021450143 is a prime.

It is a super-2 number, since 2×1430021450143² (a number of 25 digits) 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 (1430021450183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11071818 + ... + 11200231.

It is an arithmetic number, because the mean of its divisors is an integer number (105235436250).

Almost surely, 2^{1430021450143} is an apocalyptic number.

1430021450143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1430021450143 is a deficient number, since it is larger than the sum of its proper divisors (253745529857).

1430021450143 is a wasteful number, since it uses less digits than its factorization.

1430021450143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22272522.

The product of its (nonzero) digits is 5760, while the sum is 28.

Multiplying 1430021450143 by its sum of digits (28), we get a palindrome (40040600604004).

Adding to 1430021450143 its reverse (3410541200341), we get a palindrome (4840562650484).

The spelling of 1430021450143 in words is "one trillion, four hundred thirty billion, twenty-one million, four hundred fifty thousand, one hundred forty-three".