1004243142 has 48 divisors (see below), whose sum is σ = 2473850160. Its totient is φ = 270047232.

The previous prime is 1004243131. The next prime is 1004243153. The reversal of 1004243142 is 2413424001.

It is an interprime number because it is at equal distance from previous prime (1004243131) and next prime (1004243153).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95467 + ... + 105462.

It is an arithmetic number, because the mean of its divisors is an integer number (51538545).

Almost surely, 2^1004243142 is an apocalyptic number.

1004243142 is an abundant number, since it is smaller than the sum of its proper divisors (1469607018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004243142 is a wasteful number, since it uses less digits than its factorization.

1004243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200965 (or 200958 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1004243142 is about 31689.7955499874. The cubic root of 1004243142 is about 1001.4123848964.

Adding to 1004243142 its reverse (2413424001), we get a palindrome (3417667143).

The spelling of 1004243142 in words is "one billion, four million, two hundred forty-three thousand, one hundred forty-two".