42045177 has 4 divisors (see below), whose sum is σ = 56060240. Its totient is φ = 28030116.

The previous prime is 42045161. The next prime is 42045181. The reversal of 42045177 is 77154024.

42045177 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42045177 - 2⁴ = 42045161 is a prime.

It is a super-2 number, since 2×42045177² = 3535593817922658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42045197) 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 in 3 ways as a sum of consecutive naturals, for example, 7007527 + ... + 7007532.

It is an arithmetic number, because the mean of its divisors is an integer number (14015060).

Almost surely, 2^42045177 is an apocalyptic number.

It is an amenable number.

42045177 is a deficient number, since it is larger than the sum of its proper divisors (14015063).

42045177 is a wasteful number, since it uses less digits than its factorization.

42045177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14015062.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 42045177 is about 6484.2252428490. The cubic root of 42045177 is about 347.7272519365.

The spelling of 42045177 in words is "forty-two million, forty-five thousand, one hundred seventy-seven".