1142513424 has 200 divisors, whose sum is σ = 3771555480. Its totient is φ = 330780672.

The previous prime is 1142513423. The next prime is 1142513429. The reversal of 1142513424 is 4243152411.

1142513424 is a `hidden beast` number, since 1 + 142 + 513 + 4 + 2 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 120560400 + 1021953024 = 10980^2 + 31968^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1142513423) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 284422 + ... + 288410.

Almost surely, 2^1142513424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142513424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885777740).

1142513424 is an abundant number, since it is smaller than the sum of its proper divisors (2629042056).

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

1142513424 is a wasteful number, since it uses less digits than its factorization.

1142513424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039 (or 4024 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1142513424 is about 33801.0861363951. The cubic root of 1142513424 is about 1045.4110922752.

Adding to 1142513424 its reverse (4243152411), we get a palindrome (5385665835).

The spelling of 1142513424 in words is "one billion, one hundred forty-two million, five hundred thirteen thousand, four hundred twenty-four".