11445045442 has 8 divisors (see below), whose sum is σ = 17168088636. Its totient is φ = 5722349232.

The previous prime is 11445045413. The next prime is 11445045463. The reversal of 11445045442 is 24454054411.

It can be written as a sum of positive squares in 2 ways, for example, as 10007801521 + 1437243921 = 100039^2 + 37911^2 .

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 = 11445045398 and 11445045407.

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, 23988 + ... + 153184.

Almost surely, 2^11445045442 is an apocalyptic number.

11445045442 is a deficient number, since it is larger than the sum of its proper divisors (5723043194).

11445045442 is a wasteful number, since it uses less digits than its factorization.

11445045442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173492.

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

Adding to 11445045442 its reverse (24454054411), we get a palindrome (35899099853).

The spelling of 11445045442 in words is "eleven billion, four hundred forty-five million, forty-five thousand, four hundred forty-two".