1413645 has 16 divisors (see below), whose sum is σ = 2294592. Its totient is φ = 743040.

The previous prime is 1413641. The next prime is 1413647. The reversal of 1413645 is 5463141.

It is not a de Polignac number, because 1413645 - 2² = 1413641 is a prime.

It is a super-3 number, since 3×1413645³ = 8475051365439933375, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1413641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (143412).

2^1413645 is an apocalyptic number.

1413645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1413645 is a deficient number, since it is larger than the sum of its proper divisors (880947).

1413645 is a wasteful number, since it uses less digits than its factorization.

1413645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

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

The square root of 1413645 is about 1188.9680399405. The cubic root of 1413645 is about 112.2311605395.

Adding to 1413645 its reverse (5463141), we get a palindrome (6876786).

The spelling of 1413645 in words is "one million, four hundred thirteen thousand, six hundred forty-five".