1005142454242 has 16 divisors (see below), whose sum is σ = 1518884186400. Its totient is φ = 498849266880.

The previous prime is 1005142454203. The next prime is 1005142454347. The reversal of 1005142454242 is 2424542415001.

1005142454242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1005142454242² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005142454198 and 1005142454207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929509 + ... + 1695367.

It is an arithmetic number, because the mean of its divisors is an integer number (94930261650).

Almost surely, 2^{1005142454242} is an apocalyptic number.

1005142454242 is a deficient number, since it is larger than the sum of its proper divisors (513741732158).

1005142454242 is a wasteful number, since it uses less digits than its factorization.

1005142454242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770721.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 1005142454242 its reverse (2424542415001), we get a palindrome (3429684869243).

The spelling of 1005142454242 in words is "one trillion, five billion, one hundred forty-two million, four hundred fifty-four thousand, two hundred forty-two".