1144451142 has 12 divisors (see below), whose sum is σ = 2479644180. Its totient is φ = 381483708.

The previous prime is 1144451141. The next prime is 1144451173. The reversal of 1144451142 is 2411544411.

It is a happy number.

1144451142 is a `hidden beast` number, since 1 + 144 + 4 + 511 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144451141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31790292 + ... + 31790327.

It is an arithmetic number, because the mean of its divisors is an integer number (206637015).

Almost surely, 2^1144451142 is an apocalyptic number.

1144451142 is an abundant number, since it is smaller than the sum of its proper divisors (1335193038).

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

1144451142 is a wasteful number, since it uses less digits than its factorization.

1144451142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63580627 (or 63580624 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1144451142 is about 33829.7375396263. The cubic root of 1144451142 is about 1046.0017688527.

Adding to 1144451142 its reverse (2411544411), we get a palindrome (3555995553).

The spelling of 1144451142 in words is "one billion, one hundred forty-four million, four hundred fifty-one thousand, one hundred forty-two".