1144035145 has 32 divisors (see below), whose sum is σ = 1594048896. Its totient is φ = 778982400.

The previous prime is 1144035143. The next prime is 1144035149. The reversal of 1144035145 is 5415304411.

It is not a de Polignac number, because 1144035145 - 2¹ = 1144035143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144035143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181090 + ... + 187300.

It is an arithmetic number, because the mean of its divisors is an integer number (49814028).

Almost surely, 2^1144035145 is an apocalyptic number.

It is an amenable number.

1144035145 is a deficient number, since it is larger than the sum of its proper divisors (450013751).

1144035145 is a wasteful number, since it uses less digits than its factorization.

1144035145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1144035145 is about 33823.5885884393. The cubic root of 1144035145 is about 1045.8750162943.

Adding to 1144035145 its reverse (5415304411), we get a palindrome (6559339556).

The spelling of 1144035145 in words is "one billion, one hundred forty-four million, thirty-five thousand, one hundred forty-five".