1144322550 has 72 divisors (see below), whose sum is σ = 3513624816. Its totient is φ = 261558720.

The previous prime is 1144322507. The next prime is 1144322567. The reversal of 1144322550 is 552234411.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 178489 + ... + 184788.

Almost surely, 2^1144322550 is an apocalyptic number.

1144322550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144322550 is an abundant number, since it is smaller than the sum of its proper divisors (2369302266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144322550 is a wasteful number, since it uses less digits than its factorization.

1144322550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363302 (or 363294 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1144322550 is about 33827.8369098587. The cubic root of 1144322550 is about 1045.9625906846.

Adding to 1144322550 its reverse (552234411), we get a palindrome (1696556961).

The spelling of 1144322550 in words is "one billion, one hundred forty-four million, three hundred twenty-two thousand, five hundred fifty".