42978150 has 36 divisors (see below), whose sum is σ = 115469172. Its totient is φ = 11460720.

The previous prime is 42978149. The next prime is 42978167. The reversal of 42978150 is 5187924.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47304 + ... + 48203.

It is an arithmetic number, because the mean of its divisors is an integer number (3207477).

Almost surely, 2^42978150 is an apocalyptic number.

42978150 is an abundant number, since it is smaller than the sum of its proper divisors (72491022).

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

42978150 is a wasteful number, since it uses less digits than its factorization.

42978150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95525 (or 95517 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 42978150 is about 6555.7722657213. The cubic root of 42978150 is about 350.2804554827.

The spelling of 42978150 in words is "forty-two million, nine hundred seventy-eight thousand, one hundred fifty".