1345442 has 12 divisors (see below), whose sum is σ = 2347830. Its totient is φ = 576576.

The previous prime is 1345441. The next prime is 1345451. The reversal of 1345442 is 2445431.

It can be written as a sum of positive squares in only one way, i.e., 1207801 + 137641 = 1099^2 + 371^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6767 + ... + 6962.

2^1345442 is an apocalyptic number.

1345442 is a deficient number, since it is larger than the sum of its proper divisors (1002388).

1345442 is a wasteful number, since it uses less digits than its factorization.

1345442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13745 (or 13738 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 1345442 is about 1159.9318945524. The cubic root of 1345442 is about 110.3964208915.

The spelling of 1345442 in words is "one million, three hundred forty-five thousand, four hundred forty-two".