1430144019 has 20 divisors (see below), whose sum is σ = 2210060160. Its totient is φ = 920550960.

The previous prime is 1430143991. The next prime is 1430144021. The reversal of 1430144019 is 9104410341.

It is not a de Polignac number, because 1430144019 - 2¹¹ = 1430141971 is a prime.

It is a super-2 number, since 2×1430144019² = 4090623830162944722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1430143983 and 1430144001.

It is not an unprimeable number, because it can be changed into a prime (1430144029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 302067 + ... + 306764.

It is an arithmetic number, because the mean of its divisors is an integer number (110503008).

Almost surely, 2^1430144019 is an apocalyptic number.

1430144019 is a deficient number, since it is larger than the sum of its proper divisors (779916141).

1430144019 is an equidigital number, since it uses as much as digits as its factorization.

1430144019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608872 (or 608863 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1430144019 is about 37817.2449948433. The cubic root of 1430144019 is about 1126.6609917765.

The spelling of 1430144019 in words is "one billion, four hundred thirty million, one hundred forty-four thousand, nineteen".