1045126159442 has 4 divisors (see below), whose sum is σ = 1567689239166. Its totient is φ = 522563079720.

The previous prime is 1045126159393. The next prime is 1045126159513. The reversal of 1045126159442 is 2449516215401.

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., 611212803601 + 433913355841 = 781801^2 + 658721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1045126159393 and 1045126159402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261281539859 + ... + 261281539862.

Almost surely, 2^{1045126159442} is an apocalyptic number.

1045126159442 is a deficient number, since it is larger than the sum of its proper divisors (522563079724).

1045126159442 is an equidigital number, since it uses as much as digits as its factorization.

1045126159442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522563079723.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 1045126159442 in words is "one trillion, forty-five billion, one hundred twenty-six million, one hundred fifty-nine thousand, four hundred forty-two".