1142524422 has 48 divisors (see below), whose sum is σ = 2680881840. Its totient is φ = 349569216.

The previous prime is 1142524399. The next prime is 1142524433. The reversal of 1142524422 is 2244252411.

It is a happy number.

1142524422 is a `hidden beast` number, since 114 + 2 + 524 + 4 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28248 + ... + 55524.

It is an arithmetic number, because the mean of its divisors is an integer number (55851705).

Almost surely, 2^1142524422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142524422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340440920).

1142524422 is an abundant number, since it is smaller than the sum of its proper divisors (1538357418).

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

1142524422 is a wasteful number, since it uses less digits than its factorization.

1142524422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27477 (or 27474 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 1142524422 is about 33801.2488230834. The cubic root of 1142524422 is about 1045.4144466907.

Adding to 1142524422 its reverse (2244252411), we get a palindrome (3386776833).

The spelling of 1142524422 in words is "one billion, one hundred forty-two million, five hundred twenty-four thousand, four hundred twenty-two".