1142214452 has 6 divisors (see below), whose sum is σ = 1998875298. Its totient is φ = 571107224.

The previous prime is 1142214443. The next prime is 1142214473. The reversal of 1142214452 is 2544122411.

It can be written as a sum of positive squares in only one way, i.e., 748350736 + 393863716 = 27356^2 + 19846^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 142776803 + ... + 142776810.

It is an arithmetic number, because the mean of its divisors is an integer number (333145883).

Almost surely, 2^1142214452 is an apocalyptic number.

It is an amenable number.

1142214452 is a deficient number, since it is larger than the sum of its proper divisors (856660846).

1142214452 is a wasteful number, since it uses less digits than its factorization.

1142214452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285553617 (or 285553615 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1142214452 is about 33796.6633264291. The cubic root of 1142214452 is about 1045.3198968736.

Adding to 1142214452 its reverse (2544122411), we get a palindrome (3686336863).

The spelling of 1142214452 in words is "one billion, one hundred forty-two million, two hundred fourteen thousand, four hundred fifty-two".