1142015424 has 84 divisors (see below), whose sum is σ = 3321311112. Its totient is φ = 346058240.

The previous prime is 1142015419. The next prime is 1142015437. The reversal of 1142015424 is 4245102411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1142015394 and 1142015403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1347 + ... + 47810.

It is an arithmetic number, because the mean of its divisors is an integer number (39539418).

Almost surely, 2^1142015424 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 1142015424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660655556).

1142015424 is an abundant number, since it is smaller than the sum of its proper divisors (2179295688).

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

1142015424 is a wasteful number, since it uses less digits than its factorization.

1142015424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49194 (or 49173 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1142015424 is about 33793.7187062922. The cubic root of 1142015424 is about 1045.2591785578.

Adding to 1142015424 its reverse (4245102411), we get a palindrome (5387117835).

The spelling of 1142015424 in words is "one billion, one hundred forty-two million, fifteen thousand, four hundred twenty-four".