6340145 has 16 divisors (see below), whose sum is σ = 8808960. Its totient is φ = 4290624.

The previous prime is 6340127. The next prime is 6340189. The reversal of 6340145 is 5410436.

6340145 = T₁₅₉₀ + T₁₅₉₁ + ... + T₁₅₉₄.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6340145 - 2¹⁰ = 6339121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6340145.

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, 1619 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (550560).

Almost surely, 2^6340145 is an apocalyptic number.

It is an amenable number.

6340145 is a deficient number, since it is larger than the sum of its proper divisors (2468815).

6340145 is a wasteful number, since it uses less digits than its factorization.

6340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6340145 is about 2517.9644556665. The cubic root of 6340145 is about 185.0829430852.

The spelling of 6340145 in words is "six million, three hundred forty thousand, one hundred forty-five".