6214545 has 12 divisors (see below), whose sum is σ = 10771956. Its totient is φ = 3314400.

The previous prime is 6214543. The next prime is 6214573. The reversal of 6214545 is 5454126.

It can be written as a sum of positive squares in 2 ways, for example, as 1192464 + 5022081 = 1092^2 + 2241^2 .

It is not a de Polignac number, because 6214545 - 2¹ = 6214543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6214541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69006 + ... + 69095.

It is an arithmetic number, because the mean of its divisors is an integer number (897663).

Almost surely, 2^6214545 is an apocalyptic number.

It is an amenable number.

6214545 is a deficient number, since it is larger than the sum of its proper divisors (4557411).

6214545 is a wasteful number, since it uses less digits than its factorization.

6214545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138112 (or 138109 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 6214545 is about 2492.8989149181. The cubic root of 6214545 is about 183.8526013138.

The spelling of 6214545 in words is "six million, two hundred fourteen thousand, five hundred forty-five".