1144211445 has 96 divisors (see below), whose sum is σ = 2270661120. Its totient is φ = 528353280.

The previous prime is 1144211441. The next prime is 1144211513. The reversal of 1144211445 is 5441124411.

It is a happy number.

1144211445 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 211 + 445 = 666.

It is not a de Polignac number, because 1144211445 - 2² = 1144211441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144211441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1255540 + ... + 1256450.

It is an arithmetic number, because the mean of its divisors is an integer number (23652720).

Almost surely, 2^1144211445 is an apocalyptic number.

1144211445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144211445 is a deficient number, since it is larger than the sum of its proper divisors (1126449675).

1144211445 is a wasteful number, since it uses less digits than its factorization.

1144211445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1064 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1144211445 is about 33826.1946573953. The cubic root of 1144211445 is about 1045.9287379232.

Adding to 1144211445 its reverse (5441124411), we get a palindrome (6585335856).

The spelling of 1144211445 in words is "one billion, one hundred forty-four million, two hundred eleven thousand, four hundred forty-five".