1004142145442 has 8 divisors (see below), whose sum is σ = 1594813995756. Its totient is φ = 472537480192.

The previous prime is 1004142145403. The next prime is 1004142145471. The reversal of 1004142145442 is 2445412414001.

It can be written as a sum of positive squares in 2 ways, for example, as 904916515441 + 99225630001 = 951271^2 + 315001^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1004142145399 and 1004142145408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14766796223 + ... + 14766796290.

Almost surely, 2^{1004142145442} is an apocalyptic number.

1004142145442 is a deficient number, since it is larger than the sum of its proper divisors (590671850314).

1004142145442 is a wasteful number, since it uses less digits than its factorization.

1004142145442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29533592532.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 1004142145442 its reverse (2445412414001), we get a palindrome (3449554559443).

The spelling of 1004142145442 in words is "one trillion, four billion, one hundred forty-two million, one hundred forty-five thousand, four hundred forty-two".