1144225415 has 4 divisors (see below), whose sum is σ = 1373070504. Its totient is φ = 915380328.

The previous prime is 1144225403. The next prime is 1144225441. The reversal of 1144225415 is 5145224411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144225415 - 2⁶ = 1144225351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114422537 + ... + 114422546.

It is an arithmetic number, because the mean of its divisors is an integer number (343267626).

Almost surely, 2^1144225415 is an apocalyptic number.

1144225415 is a deficient number, since it is larger than the sum of its proper divisors (228845089).

1144225415 is an equidigital number, since it uses as much as digits as its factorization.

1144225415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228845088.

The product of its digits is 6400, while the sum is 29.

The square root of 1144225415 is about 33826.4011535369. The cubic root of 1144225415 is about 1045.9329945854.

Adding to 1144225415 its reverse (5145224411), we get a palindrome (6289449826).

The spelling of 1144225415 in words is "one billion, one hundred forty-four million, two hundred twenty-five thousand, four hundred fifteen".