1143424445 has 8 divisors (see below), whose sum is σ = 1379075544. Its totient is φ = 910095424.

The previous prime is 1143424439. The next prime is 1143424463. The reversal of 1143424445 is 5444243411.

It can be written as a sum of positive squares in 4 ways, for example, as 172291876 + 971132569 = 13126^2 + 31163^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1143424445 - 2¹² = 1143420349 is a prime.

It is a super-2 number, since 2×1143424445² = 2614838922847116050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 579434 + ... + 581403.

It is an arithmetic number, because the mean of its divisors is an integer number (172384443).

Almost surely, 2^1143424445 is an apocalyptic number.

It is an amenable number.

1143424445 is a deficient number, since it is larger than the sum of its proper divisors (235651099).

1143424445 is a wasteful number, since it uses less digits than its factorization.

1143424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161039.

The product of its digits is 30720, while the sum is 32.

The square root of 1143424445 is about 33814.5596600044. The cubic root of 1143424445 is about 1045.6888828640.

Adding to 1143424445 its reverse (5444243411), we get a palindrome (6587667856).

The spelling of 1143424445 in words is "one billion, one hundred forty-three million, four hundred twenty-four thousand, four hundred forty-five".