1345045 has 8 divisors (see below), whose sum is σ = 1738296. Its totient is φ = 993216.

The previous prime is 1345037. The next prime is 1345051. The reversal of 1345045 is 5405431.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 1179396 = 407^2 + 1086^2 .

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 1345045 - 2³ = 1345037 is a prime.

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, 10282 + ... + 10411.

It is an arithmetic number, because the mean of its divisors is an integer number (217287).

2^1345045 is an apocalyptic number.

It is an amenable number.

1345045 is a deficient number, since it is larger than the sum of its proper divisors (393251).

1345045 is a wasteful number, since it uses less digits than its factorization.

1345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20711.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1345045 is about 1159.7607511897. The cubic root of 1345045 is about 110.3855615876.

It can be divided in two parts, 13 and 45045, that multiplied together give a palindrome (585585).

The spelling of 1345045 in words is "one million, three hundred forty-five thousand, forty-five".