1343445 has 8 divisors (see below), whose sum is σ = 2149536. Its totient is φ = 716496.

The previous prime is 1343431. The next prime is 1343467. The reversal of 1343445 is 5443431.

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

It is not a de Polignac number, because 1343445 - 2⁵ = 1343413 is a prime.

It is a Curzon number.

1343445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44767 + ... + 44796.

It is an arithmetic number, because the mean of its divisors is an integer number (268692).

2^1343445 is an apocalyptic number.

1343445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343445 is a deficient number, since it is larger than the sum of its proper divisors (806091).

1343445 is an equidigital number, since it uses as much as digits as its factorization.

1343445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89571.

The product of its digits is 2880, while the sum is 24.

The square root of 1343445 is about 1159.0707484878. The cubic root of 1343445 is about 110.3417744587.

Adding to 1343445 its reverse (5443431), we get a palindrome (6786876).

The spelling of 1343445 in words is "one million, three hundred forty-three thousand, four hundred forty-five".