1358345 has 8 divisors (see below), whose sum is σ = 1637064. Its totient is φ = 1081984.

The previous prime is 1358333. The next prime is 1358353. The reversal of 1358345 is 5438531.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 1236544 = 349^2 + 1112^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1358345 - 2⁶ = 1358281 is a prime.

It is a super-2 number, since 2×1358345² = 3690202278050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian 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, 1157 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (204633).

2^1358345 is an apocalyptic number.

It is an amenable number.

1358345 is a deficient number, since it is larger than the sum of its proper divisors (278719).

1358345 is an equidigital number, since it uses as much as digits as its factorization.

1358345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179.

The product of its digits is 7200, while the sum is 29.

The square root of 1358345 is about 1165.4805875689. The cubic root of 1358345 is about 110.7482050573.

The spelling of 1358345 in words is "one million, three hundred fifty-eight thousand, three hundred forty-five".