1004505142 has 4 divisors (see below), whose sum is σ = 1506757716. Its totient is φ = 502252570.

The previous prime is 1004505137. The next prime is 1004505143. The reversal of 1004505142 is 2415054001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2415054001 = 1021 ⋅2365381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004505143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251126284 + ... + 251126287.

It is an arithmetic number, because the mean of its divisors is an integer number (376689429).

Almost surely, 2^1004505142 is an apocalyptic number.

1004505142 is a deficient number, since it is larger than the sum of its proper divisors (502252574).

1004505142 is an equidigital number, since it uses as much as digits as its factorization.

1004505142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502252573.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1004505142 is about 31693.9291032210. The cubic root of 1004505142 is about 1001.4994644825.

Adding to 1004505142 its reverse (2415054001), we get a palindrome (3419559143).

The spelling of 1004505142 in words is "one billion, four million, five hundred five thousand, one hundred forty-two".