6142445 has 4 divisors (see below), whose sum is σ = 7370940. Its totient is φ = 4913952.

The previous prime is 6142441. The next prime is 6142463. The reversal of 6142445 is 5442416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3363556 + 2778889 = 1834^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 6142445 - 2² = 6142441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142441) 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, 614240 + ... + 614249.

It is an arithmetic number, because the mean of its divisors is an integer number (1842735).

Almost surely, 2^6142445 is an apocalyptic number.

It is an amenable number.

6142445 is a deficient number, since it is larger than the sum of its proper divisors (1228495).

6142445 is a wasteful number, since it uses less digits than its factorization.

6142445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228494.

The product of its digits is 3840, while the sum is 26.

The square root of 6142445 is about 2478.3956504158. The cubic root of 6142445 is about 183.1388258499.

The spelling of 6142445 in words is "six million, one hundred forty-two thousand, four hundred forty-five".