1145110042 has 4 divisors (see below), whose sum is σ = 1717665066. Its totient is φ = 572555020.

The previous prime is 1145110013. The next prime is 1145110061. The reversal of 1145110042 is 2400115411.

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., 960938001 + 184172041 = 30999^2 + 13571^2 .

It is a super-2 number, since 2×1145110042² = 2622554016578483528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286277509 + ... + 286277512.

Almost surely, 2^1145110042 is an apocalyptic number.

1145110042 is a deficient number, since it is larger than the sum of its proper divisors (572555024).

1145110042 is an equidigital number, since it uses as much as digits as its factorization.

1145110042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572555023.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1145110042 is about 33839.4746117607. The cubic root of 1145110042 is about 1046.2024701074.

Adding to 1145110042 its reverse (2400115411), we get a palindrome (3545225453).

The spelling of 1145110042 in words is "one billion, one hundred forty-five million, one hundred ten thousand, forty-two".