1144555022 has 48 divisors (see below), whose sum is σ = 2067681840. Its totient is φ = 470956032.

The previous prime is 1144555021. The next prime is 1144555033. The reversal of 1144555022 is 2205554411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144555021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138758 + ... + 146774.

It is an arithmetic number, because the mean of its divisors is an integer number (43076705).

Almost surely, 2^1144555022 is an apocalyptic number.

1144555022 is a deficient number, since it is larger than the sum of its proper divisors (923126818).

1144555022 is a wasteful number, since it uses less digits than its factorization.

1144555022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085 (or 8068 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1144555022 is about 33831.2728403766. The cubic root of 1144555022 is about 1046.0334158645.

The spelling of 1144555022 in words is "one billion, one hundred forty-four million, five hundred fifty-five thousand, twenty-two".