1142552224 has 48 divisors (see below), whose sum is σ = 2456679456. Its totient is φ = 518752000.

The previous prime is 1142552197. The next prime is 1142552231. The reversal of 1142552224 is 4222552411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1142552192 and 1142552201.

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 in 7 ways as a sum of consecutive naturals, for example, 509634 + ... + 511870.

It is an arithmetic number, because the mean of its divisors is an integer number (51180822).

Almost surely, 2^1142552224 is an apocalyptic number.

It is an amenable number.

1142552224 is an abundant number, since it is smaller than the sum of its proper divisors (1314127232).

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

1142552224 is a wasteful number, since it uses less digits than its factorization.

1142552224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3701 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 1142552224 is about 33801.6600775761. The cubic root of 1142552224 is about 1045.4229262692.

The spelling of 1142552224 in words is "one billion, one hundred forty-two million, five hundred fifty-two thousand, two hundred twenty-four".