1342543424 has 56 divisors (see below), whose sum is σ = 2732748408. Its totient is φ = 654151680.

The previous prime is 1342543399. The next prime is 1342543453. The reversal of 1342543424 is 4243452431.

It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 1341903424 = 800^2 + 36632^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531284 + ... + 533804.

Almost surely, 2^1342543424 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 1342543424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366374204).

1342543424 is an abundant number, since it is smaller than the sum of its proper divisors (1390204984).

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

1342543424 is a wasteful number, since it uses less digits than its factorization.

1342543424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743 (or 2733 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 1342543424 is about 36640.7344904547. The cubic root of 1342543424 is about 1103.1708575222.

Adding to 1342543424 its reverse (4243452431), we get a palindrome (5585995855).

The spelling of 1342543424 in words is "one billion, three hundred forty-two million, five hundred forty-three thousand, four hundred twenty-four".