1045181475442 has 16 divisors (see below), whose sum is σ = 1688452442712. Its totient is φ = 482367916800.

The previous prime is 1045181475439. The next prime is 1045181475521. The reversal of 1045181475442 is 2445741815401.

It can be written as a sum of positive squares in 4 ways, for example, as 293840969041 + 751340506401 = 542071^2 + 866799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1045181475392 and 1045181475401.

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 in 7 ways as a sum of consecutive naturals, for example, 431559 + ... + 1508842.

Almost surely, 2^{1045181475442} is an apocalyptic number.

1045181475442 is a deficient number, since it is larger than the sum of its proper divisors (643270967270).

1045181475442 is a wasteful number, since it uses less digits than its factorization.

1045181475442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961133.

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 1045181475442 in words is "one trillion, forty-five billion, one hundred eighty-one million, four hundred seventy-five thousand, four hundred forty-two".