6145445 has 8 divisors (see below), whose sum is σ = 7495800. Its totient is φ = 4835520.

The previous prime is 6145429. The next prime is 6145457. The reversal of 6145445 is 5445416.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 6145441 = 2^2 + 2479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6145445 - 2⁴ = 6145429 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9770 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (936975).

Almost surely, 2^6145445 is an apocalyptic number.

It is an amenable number.

6145445 is a deficient number, since it is larger than the sum of its proper divisors (1350355).

6145445 is a wasteful number, since it uses less digits than its factorization.

6145445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20215.

The product of its digits is 9600, while the sum is 29.

The square root of 6145445 is about 2479.0008067768. Note that the first 3 decimals coincide. The cubic root of 6145445 is about 183.1686362948.

Subtracting from 6145445 its sum of digits (29), we obtain a palindrome (6145416).

The spelling of 6145445 in words is "six million, one hundred forty-five thousand, four hundred forty-five".