1361445 has 32 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 645120.

The previous prime is 1361443. The next prime is 1361453. The reversal of 1361445 is 5441631.

It is not a de Polignac number, because 1361445 - 2¹ = 1361443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4705 + ... + 4985.

It is an arithmetic number, because the mean of its divisors is an integer number (76140).

2^1361445 is an apocalyptic number.

1361445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1361445 is a deficient number, since it is larger than the sum of its proper divisors (1075035).

1361445 is a wasteful number, since it uses less digits than its factorization.

1361445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 1440, while the sum is 24.

The square root of 1361445 is about 1166.8097531303. The cubic root of 1361445 is about 110.8323904920.

The spelling of 1361445 in words is "one million, three hundred sixty-one thousand, four hundred forty-five".