1142043419 has 8 divisors (see below), whose sum is σ = 1247816880. Its totient is φ = 1036595200.

The previous prime is 1142043373. The next prime is 1142043437. The reversal of 1142043419 is 9143402411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142043419 - 2¹⁶ = 1141977883 is a prime.

It is a super-2 number, since 2×1142043419² = 2608526341762419122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142043391 and 1142043400.

It is not an unprimeable number, because it can be changed into a prime (1142043319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73934 + ... + 88035.

It is an arithmetic number, because the mean of its divisors is an integer number (155977110).

Almost surely, 2^1142043419 is an apocalyptic number.

1142043419 is a deficient number, since it is larger than the sum of its proper divisors (105773461).

1142043419 is a wasteful number, since it uses less digits than its factorization.

1142043419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162621.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1142043419 is about 33794.1329079472. The cubic root of 1142043419 is about 1045.2677195374.

The spelling of 1142043419 in words is "one billion, one hundred forty-two million, forty-three thousand, four hundred nineteen".