1142345224 has 16 divisors (see below), whose sum is σ = 2191709520. Its totient is φ = 557889360.

The previous prime is 1142345221. The next prime is 1142345233. The reversal of 1142345224 is 4225432411.

It is a super-2 number, since 2×1142345224² = 2609905221591220352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142345192 and 1142345201.

It is not an unprimeable number, because it can be changed into a prime (1142345221) 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 3 ways as a sum of consecutive naturals, for example, 1660042 + ... + 1660729.

It is an arithmetic number, because the mean of its divisors is an integer number (136981845).

Almost surely, 2^1142345224 is an apocalyptic number.

It is an amenable number.

1142345224 is a deficient number, since it is larger than the sum of its proper divisors (1049364296).

1142345224 is a wasteful number, since it uses less digits than its factorization.

1142345224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320820 (or 3320816 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1142345224 is about 33798.5979590870. The cubic root of 1142345224 is about 1045.3597882025.

Adding to 1142345224 its reverse (4225432411), we get a palindrome (5367777635).

The spelling of 1142345224 in words is "one billion, one hundred forty-two million, three hundred forty-five thousand, two hundred twenty-four".