42265546 has 4 divisors (see below), whose sum is σ = 63398322. Its totient is φ = 21132772.

The previous prime is 42265541. The next prime is 42265567. The reversal of 42265546 is 64556224.

42265546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 30969225 + 11296321 = 5565^2 + 3361^2 .

It is not an unprimeable number, because it can be changed into a prime (42265541) by changing a digit.

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, 10566385 + ... + 10566388.

Almost surely, 2^42265546 is an apocalyptic number.

42265546 is a deficient number, since it is larger than the sum of its proper divisors (21132776).

42265546 is a wasteful number, since it uses less digits than its factorization.

42265546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21132775.

The product of its digits is 57600, while the sum is 34.

The square root of 42265546 is about 6501.1957361704. The cubic root of 42265546 is about 348.3337013546. Note that the first 3 decimals are identical.

The spelling of 42265546 in words is "forty-two million, two hundred sixty-five thousand, five hundred forty-six".