4554442 has 4 divisors (see below), whose sum is σ = 6831666. Its totient is φ = 2277220.

The previous prime is 4554409. The next prime is 4554461. The reversal of 4554442 is 2444554.

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., 2989441 + 1565001 = 1729^2 + 1251^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4554442.

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 as a sum of consecutive naturals, namely, 1138609 + ... + 1138612.

Almost surely, 2^4554442 is an apocalyptic number.

4554442 is a deficient number, since it is larger than the sum of its proper divisors (2277224).

4554442 is a wasteful number, since it uses less digits than its factorization.

4554442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277223.

The product of its digits is 12800, while the sum is 28.

The square root of 4554442 is about 2134.1138676275. The cubic root of 4554442 is about 165.7594862119.

Adding to 4554442 its reverse (2444554), we get a palindrome (6998996).

The spelling of 4554442 in words is "four million, five hundred fifty-four thousand, four hundred forty-two".