1345144 has 8 divisors (see below), whose sum is σ = 2522160. Its totient is φ = 672568.
The previous prime is 1345139. The next prime is 1345153. The reversal of 1345144 is 4415431.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84064 + ... + 84079.
It is an arithmetic number, because the mean of its divisors is an integer number (315270).
21345144 is an apocalyptic number.
It is an amenable number.
1345144 is a deficient number, since it is larger than the sum of its proper divisors (1177016).
1345144 is a wasteful number, since it uses less digits than its factorization.
1345144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168149 (or 168145 counting only the distinct ones).
The product of its digits is 960, while the sum is 22.
The square root of 1345144 is about 1159.8034316211. The cubic root of 1345144 is about 110.3882697752.
The spelling of 1345144 in words is "one million, three hundred forty-five thousand, one hundred forty-four".
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