1354445 has 8 divisors (see below), whose sum is σ = 1681560. Its totient is φ = 1046080.

The previous prime is 1354393. The next prime is 1354471. The reversal of 1354445 is 5444531.

It can be written as a sum of positive squares in 4 ways, for example, as 70756 + 1283689 = 266^2 + 1133^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1354445 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4526 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (210195).

2^1354445 is an apocalyptic number.

It is an amenable number.

1354445 is a deficient number, since it is larger than the sum of its proper divisors (327115).

1354445 is an equidigital number, since it uses as much as digits as its factorization.

1354445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375.

The product of its digits is 4800, while the sum is 26.

The square root of 1354445 is about 1163.8062553535. The cubic root of 1354445 is about 110.6421122198.

Adding to 1354445 its reverse (5444531), we get a palindrome (6798976).

The spelling of 1354445 in words is "one million, three hundred fifty-four thousand, four hundred forty-five".