42150229 has 12 divisors (see below), whose sum is σ = 46802700. Its totient is φ = 37928000.

The previous prime is 42150223. The next prime is 42150233. The reversal of 42150229 is 92205124.

It can be written as a sum of positive squares in 2 ways, for example, as 18404100 + 23746129 = 4290^2 + 4873^2 .

It is not a de Polignac number, because 42150229 - 2⁵ = 42150197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42150223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10497 + ... + 13945.

It is an arithmetic number, because the mean of its divisors is an integer number (3900225).

Almost surely, 2^42150229 is an apocalyptic number.

It is an amenable number.

42150229 is a deficient number, since it is larger than the sum of its proper divisors (4652471).

42150229 is a wasteful number, since it uses less digits than its factorization.

42150229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572 (or 3561 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 42150229 is about 6492.3207714961. The cubic root of 42150229 is about 348.0166157786.

The spelling of 42150229 in words is "forty-two million, one hundred fifty thousand, two hundred twenty-nine".