1444345 has 16 divisors (see below), whose sum is σ = 2050560. Its totient is φ = 955584.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444345 is 5434441.

1444345 = T₃₀₁ + T₃₀₂ + ... + T₃₂₉.

It is not a de Polignac number, because 1444345 - 2⁷ = 1444217 is a prime.

It is a super-2 number, since 2×1444345² = 4172264958050, which contains 22 as substring.

It is an Ulam number.

1444345 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 304 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (128160).

2^1444345 is an apocalyptic number.

It is an amenable number.

1444345 is a deficient number, since it is larger than the sum of its proper divisors (606215).

1444345 is a wasteful number, since it uses less digits than its factorization.

1444345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its digits is 3840, while the sum is 25.

The square root of 1444345 is about 1201.8090530529. The cubic root of 1444345 is about 113.0377872424.

Adding to 1444345 its reverse (5434441), we get a palindrome (6878786).

It can be divided in two parts, 144 and 4345, that added together give a square (4489 = 67²).

The spelling of 1444345 in words is "one million, four hundred forty-four thousand, three hundred forty-five".