4144642 has 4 divisors (see below), whose sum is σ = 6216966. Its totient is φ = 2072320.

The previous prime is 4144633. The next prime is 4144663. The reversal of 4144642 is 2464414.

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

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 1957201 = 1479^2 + 1399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036159 + ... + 1036162.

Almost surely, 2^4144642 is an apocalyptic number.

4144642 is a deficient number, since it is larger than the sum of its proper divisors (2072324).

4144642 is a wasteful number, since it uses less digits than its factorization.

4144642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072323.

The product of its digits is 3072, while the sum is 25.

The square root of 4144642 is about 2035.8393846274. The cubic root of 4144642 is about 160.6308686355.

The spelling of 4144642 in words is "four million, one hundred forty-four thousand, six hundred forty-two".