1345432242 has 128 divisors (see below), whose sum is σ = 3568250880. Its totient is φ = 327824640.

The previous prime is 1345432217. The next prime is 1345432259. The reversal of 1345432242 is 2422345431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 561984 + ... + 564372.

It is an arithmetic number, because the mean of its divisors is an integer number (27876960).

Almost surely, 2^1345432242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345432242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784125440).

1345432242 is an abundant number, since it is smaller than the sum of its proper divisors (2222818638).

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

1345432242 is a wasteful number, since it uses less digits than its factorization.

1345432242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its digits is 23040, while the sum is 30.

The square root of 1345432242 is about 36680.1341600600. The cubic root of 1345432242 is about 1103.9615400249.

Adding to 1345432242 its reverse (2422345431), we get a palindrome (3767777673).

The spelling of 1345432242 in words is "one billion, three hundred forty-five million, four hundred thirty-two thousand, two hundred forty-two".