1145042544 has 20 divisors (see below), whose sum is σ = 2958026696. Its totient is φ = 381680832.

The previous prime is 1145042527. The next prime is 1145042597. The reversal of 1145042544 is 4452405411.

It is a super-2 number, since 2×1145042544² = 2622244855139983872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11927479 + ... + 11927574.

Almost surely, 2^1145042544 is an apocalyptic number.

It is an amenable number.

1145042544 is an abundant number, since it is smaller than the sum of its proper divisors (1812984152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145042544 is a wasteful number, since it uses less digits than its factorization.

1145042544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855064 (or 23855058 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1145042544 is about 33838.4772707047. The cubic root of 1145042544 is about 1046.1819137244.

Adding to 1145042544 its reverse (4452405411), we get a palindrome (5597447955).

The spelling of 1145042544 in words is "one billion, one hundred forty-five million, forty-two thousand, five hundred forty-four".