42254178 has 32 divisors (see below), whose sum is σ = 87613440. Its totient is φ = 13571280.

The previous prime is 42254171. The next prime is 42254183. The reversal of 42254178 is 87145224.

42254178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42254171) 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 15 ways as a sum of consecutive naturals, for example, 67953 + ... + 68571.

It is an arithmetic number, because the mean of its divisors is an integer number (2737920).

Almost surely, 2^42254178 is an apocalyptic number.

42254178 is an abundant number, since it is smaller than the sum of its proper divisors (45359262).

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

42254178 is a wasteful number, since it uses less digits than its factorization.

42254178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its digits is 17920, while the sum is 33.

The square root of 42254178 is about 6500.3213766705. The cubic root of 42254178 is about 348.3024685660.

The spelling of 42254178 in words is "forty-two million, two hundred fifty-four thousand, one hundred seventy-eight".