1333945 has 8 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 1062960.

The previous prime is 1333919. The next prime is 1333949. The reversal of 1333945 is 5493331.

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-1333945 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333949) by changing a digit.

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, 1846 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

2^1333945 is an apocalyptic number.

It is an amenable number.

1333945 is a deficient number, since it is larger than the sum of its proper divisors (273095).

1333945 is an equidigital number, since it uses as much as digits as its factorization.

1333945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its digits is 4860, while the sum is 28.

The square root of 1333945 is about 1154.9653674461. The cubic root of 1333945 is about 110.0810697137.

It can be divided in two parts, 1333 and 945, that added together give a triangular number (2278 = T₆₇).

The spelling of 1333945 in words is "one million, three hundred thirty-three thousand, nine hundred forty-five".