6145663 has 4 divisors (see below), whose sum is σ = 6311800. Its totient is φ = 5979528.

The previous prime is 6145661. The next prime is 6145693. The reversal of 6145663 is 3665416.

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 6145663 - 2¹ = 6145661 is a prime.

It is a Duffinian number.

6145663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6145661) 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, 83013 + ... + 83086.

It is an arithmetic number, because the mean of its divisors is an integer number (1577950).

Almost surely, 2^6145663 is an apocalyptic number.

6145663 is a deficient number, since it is larger than the sum of its proper divisors (166137).

6145663 is a wasteful number, since it uses less digits than its factorization.

6145663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166136.

The product of its digits is 12960, while the sum is 31.

The square root of 6145663 is about 2479.0447757150. The cubic root of 6145663 is about 183.1708021424.

The spelling of 6145663 in words is "six million, one hundred forty-five thousand, six hundred sixty-three".