1345450642 has 8 divisors (see below), whose sum is σ = 2105922816. Its totient is φ = 643476372.

The previous prime is 1345450609. The next prime is 1345450681. The reversal of 1345450642 is 2460545431.

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

It is a junction number, because it is equal to n+sod(n) for n = 1345450598 and 1345450607.

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 3 ways as a sum of consecutive naturals, for example, 14624418 + ... + 14624509.

It is an arithmetic number, because the mean of its divisors is an integer number (263240352).

Almost surely, 2^1345450642 is an apocalyptic number.

1345450642 is a deficient number, since it is larger than the sum of its proper divisors (760472174).

1345450642 is a wasteful number, since it uses less digits than its factorization.

1345450642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29248952.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 1345450642 is about 36680.3849761695. The cubic root of 1345450642 is about 1103.9665725587.

The spelling of 1345450642 in words is "one billion, three hundred forty-five million, four hundred fifty thousand, six hundred forty-two".