1345145442 has 8 divisors (see below), whose sum is σ = 2690290896. Its totient is φ = 448381812.

The previous prime is 1345145419. The next prime is 1345145443. The reversal of 1345145442 is 2445415431.

It is a happy number.

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

1345145442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1345145443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112095448 + ... + 112095459.

It is an arithmetic number, because the mean of its divisors is an integer number (336286362).

Almost surely, 2^1345145442 is an apocalyptic number.

1345145442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1345145442 is a wasteful number, since it uses less digits than its factorization.

1345145442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224190912.

The product of its digits is 38400, while the sum is 33.

The square root of 1345145442 is about 36676.2244785365. The cubic root of 1345145442 is about 1103.8830922073.

The spelling of 1345145442 in words is "one billion, three hundred forty-five million, one hundred forty-five thousand, four hundred forty-two".