42150252 has 24 divisors (see below), whose sum is σ = 101009776. Its totient is φ = 13670208.

The previous prime is 42150233. The next prime is 42150257. The reversal of 42150252 is 25205124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42150257) 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 7 ways as a sum of consecutive naturals, for example, 47023 + ... + 47910.

Almost surely, 2^42150252 is an apocalyptic number.

It is an amenable number.

42150252 is an abundant number, since it is smaller than the sum of its proper divisors (58859524).

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

42150252 is a wasteful number, since it uses less digits than its factorization.

42150252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94977 (or 94975 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 42150252 is about 6492.3225428193. The cubic root of 42150252 is about 348.0166790790.

Adding to 42150252 its reverse (25205124), we get a palindrome (67355376).

The spelling of 42150252 in words is "forty-two million, one hundred fifty thousand, two hundred fifty-two".