1345043 has 4 divisors (see below), whose sum is σ = 1537200. Its totient is φ = 1152888.

The previous prime is 1345037. The next prime is 1345051. The reversal of 1345043 is 3405431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1345043 - 2⁴ = 1345027 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1345013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96068 + ... + 96081.

It is an arithmetic number, because the mean of its divisors is an integer number (384300).

2^1345043 is an apocalyptic number.

1345043 is a deficient number, since it is larger than the sum of its proper divisors (192157).

1345043 is an equidigital number, since it uses as much as digits as its factorization.

1345043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192156.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1345043 is about 1159.7598889425. The cubic root of 1345043 is about 110.3855068754.

It can be divided in two parts, 13450 and 43, that multiplied together give a triangular number (578350 = T₁₀₇₅).

The spelling of 1345043 in words is "one million, three hundred forty-five thousand, forty-three".