42150874 has 4 divisors (see below), whose sum is σ = 63226314. Its totient is φ = 21075436.

The previous prime is 42150859. The next prime is 42150883. The reversal of 42150874 is 47805124.

42150874 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., 31866025 + 10284849 = 5645^2 + 3207^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 10537717 + ... + 10537720.

Almost surely, 2^42150874 is an apocalyptic number.

42150874 is a deficient number, since it is larger than the sum of its proper divisors (21075440).

42150874 is a wasteful number, since it uses less digits than its factorization.

42150874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21075439.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 42150874 is about 6492.3704453766. The cubic root of 42150874 is about 348.0183909336.

Adding to 42150874 its reverse (47805124), we get a palindrome (89955998).

The spelling of 42150874 in words is "forty-two million, one hundred fifty thousand, eight hundred seventy-four".