4445242 has 4 divisors (see below), whose sum is σ = 6667866. Its totient is φ = 2222620.

The previous prime is 4445227. The next prime is 4445257. The reversal of 4445242 is 2425444.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (4445227) and next prime (4445257).

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 724201 = 1929^2 + 851^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111309 + ... + 1111312.

Almost surely, 2^4445242 is an apocalyptic number.

4445242 is a deficient number, since it is larger than the sum of its proper divisors (2222624).

4445242 is a wasteful number, since it uses less digits than its factorization.

4445242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222623.

The product of its digits is 5120, while the sum is 25.

The square root of 4445242 is about 2108.3742552023. The cubic root of 4445242 is about 164.4239724062.

The spelling of 4445242 in words is "four million, four hundred forty-five thousand, two hundred forty-two".