1344745 has 8 divisors (see below), whose sum is σ = 1640520. Its totient is φ = 1057920.

The previous prime is 1344743. The next prime is 1344767. The reversal of 1344745 is 5474431.

It can be written as a sum of positive squares in 4 ways, for example, as 72361 + 1272384 = 269^2 + 1128^2 .

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

It is not a de Polignac number, because 1344745 - 2¹ = 1344743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

2^1344745 is an apocalyptic number.

It is an amenable number.

1344745 is a deficient number, since it is larger than the sum of its proper divisors (295775).

1344745 is an equidigital number, since it uses as much as digits as its factorization.

1344745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475.

The product of its digits is 6720, while the sum is 28.

The square root of 1344745 is about 1159.6314069565. The cubic root of 1344745 is about 110.3773541470.

The spelling of 1344745 in words is "one million, three hundred forty-four thousand, seven hundred forty-five".