1144424215 has 8 divisors (see below), whose sum is σ = 1498155408. Its totient is φ = 832308480.

The previous prime is 1144424201. The next prime is 1144424219. The reversal of 1144424215 is 5124244411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144424215 - 2¹⁵ = 1144391447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144424219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10403802 + ... + 10403911.

It is an arithmetic number, because the mean of its divisors is an integer number (187269426).

Almost surely, 2^1144424215 is an apocalyptic number.

1144424215 is a deficient number, since it is larger than the sum of its proper divisors (353731193).

1144424215 is a wasteful number, since it uses less digits than its factorization.

1144424215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20807729.

The product of its digits is 5120, while the sum is 28.

The square root of 1144424215 is about 33829.3395590278. The cubic root of 1144424215 is about 1045.9935652375.

Adding to 1144424215 its reverse (5124244411), we get a palindrome (6268668626).

The spelling of 1144424215 in words is "one billion, one hundred forty-four million, four hundred twenty-four thousand, two hundred fifteen".