1144510555 has 8 divisors (see below), whose sum is σ = 1373695344. Its totient is φ = 915420000.

The previous prime is 1144510537. The next prime is 1144510579. The reversal of 1144510555 is 5550154411.

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

It is not a de Polignac number, because 1144510555 - 2⁹ = 1144510043 is a prime.

It is a Duffinian 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, 6700 + ... + 48310.

It is an arithmetic number, because the mean of its divisors is an integer number (171711918).

Almost surely, 2^1144510555 is an apocalyptic number.

1144510555 is a deficient number, since it is larger than the sum of its proper divisors (229184789).

1144510555 is an equidigital number, since it uses as much as digits as its factorization.

1144510555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47117.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 1144510555 is about 33830.6156461865. The cubic root of 1144510555 is about 1046.0198692403.

Adding to 1144510555 its reverse (5550154411), we get a palindrome (6694664966).

The spelling of 1144510555 in words is "one billion, one hundred forty-four million, five hundred ten thousand, five hundred fifty-five".