8045442 has 12 divisors (see below), whose sum is σ = 17431830. Its totient is φ = 2681808.

The previous prime is 8045419. The next prime is 8045447. The reversal of 8045442 is 2445408.

It can be written as a sum of positive squares in only one way, i.e., 7403841 + 641601 = 2721^2 + 801^2 .

It is not an unprimeable number, because it can be changed into a prime (8045447) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 223467 + ... + 223502.

Almost surely, 2^8045442 is an apocalyptic number.

8045442 is an abundant number, since it is smaller than the sum of its proper divisors (9386388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8045442 is a wasteful number, since it uses less digits than its factorization.

8045442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446977 (or 446974 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 8045442 is about 2836.4488361330. The cubic root of 8045442 is about 200.3779685821.

It can be divided in two parts, 804544 and 2, that added together give a triangular number (804546 = T₁₂₆₈).

The spelling of 8045442 in words is "eight million, forty-five thousand, four hundred forty-two".