1144445151 has 16 divisors (see below), whose sum is σ = 1616709888. Its totient is φ = 717628800.

The previous prime is 1144445147. The next prime is 1144445153. The reversal of 1144445151 is 1515444411.

It is not a de Polignac number, because 1144445151 - 2² = 1144445147 is a prime.

It is a super-3 number, since 3×1144445151³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144445153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 86166 + ... + 98556.

It is an arithmetic number, because the mean of its divisors is an integer number (101044368).

Almost surely, 2^1144445151 is an apocalyptic number.

1144445151 is a deficient number, since it is larger than the sum of its proper divisors (472264737).

1144445151 is a wasteful number, since it uses less digits than its factorization.

1144445151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222.

The product of its digits is 6400, while the sum is 30.

The square root of 1144445151 is about 33829.6489931539. The cubic root of 1144445151 is about 1045.9999436379. Note that the first 4 decimals are identical.

Adding to 1144445151 its reverse (1515444411), we get a palindrome (2659889562).

The spelling of 1144445151 in words is "one billion, one hundred forty-four million, four hundred forty-five thousand, one hundred fifty-one".