4345442 has 4 divisors (see below), whose sum is σ = 6518166. Its totient is φ = 2172720.

The previous prime is 4345427. The next prime is 4345463. The reversal of 4345442 is 2445434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2445434 = 2 ⋅1222717.

It can be written as a sum of positive squares in only one way, i.e., 2859481 + 1485961 = 1691^2 + 1219^2 .

It is a d-powerful number, because it can be written as 4⁴ + 3⁹ + 4⁸ + 5³ + 4⁸ + 4¹¹ + 2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086359 + ... + 1086362.

Almost surely, 2^4345442 is an apocalyptic number.

4345442 is a deficient number, since it is larger than the sum of its proper divisors (2172724).

4345442 is a wasteful number, since it uses less digits than its factorization.

4345442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172723.

The product of its digits is 7680, while the sum is 26.

The square root of 4345442 is about 2084.5723782109. The cubic root of 4345442 is about 163.1841545954.

The spelling of 4345442 in words is "four million, three hundred forty-five thousand, four hundred forty-two".