1842143074 has 4 divisors (see below), whose sum is σ = 2763214614. Its totient is φ = 921071536.

The previous prime is 1842143021. The next prime is 1842143077. The reversal of 1842143074 is 4703412481.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1833980625 + 8162449 = 42825^2 + 2857^2 .

It is a super-2 number, since 2×1842143074² = 6786982210172338952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1842143077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460535767 + ... + 460535770.

Almost surely, 2^1842143074 is an apocalyptic number.

1842143074 is a deficient number, since it is larger than the sum of its proper divisors (921071540).

1842143074 is an equidigital number, since it uses as much as digits as its factorization.

1842143074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921071539.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1842143074 is about 42920.1942446676. The cubic root of 1842143074 is about 1225.8606915916.

The spelling of 1842143074 in words is "one billion, eight hundred forty-two million, one hundred forty-three thousand, seventy-four".