1345434242 has 8 divisors (see below), whose sum is σ = 2025599232. Its totient is φ = 670234500.

The previous prime is 1345434241. The next prime is 1345434263. The reversal of 1345434242 is 2424345431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1345434242² = 3620386599092229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345434199 and 1345434208.

It is not an unprimeable number, because it can be changed into a prime (1345434241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240634 + ... + 1241717.

It is an arithmetic number, because the mean of its divisors is an integer number (253199904).

Almost surely, 2^1345434242 is an apocalyptic number.

1345434242 is a deficient number, since it is larger than the sum of its proper divisors (680164990).

1345434242 is a wasteful number, since it uses less digits than its factorization.

1345434242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482624.

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

The square root of 1345434242 is about 36680.1614227637. The cubic root of 1345434242 is about 1103.9620870417.

Adding to 1345434242 its reverse (2424345431), we get a palindrome (3769779673).

The spelling of 1345434242 in words is "one billion, three hundred forty-five million, four hundred thirty-four thousand, two hundred forty-two".