42152133 has 4 divisors (see below), whose sum is σ = 56202848. Its totient is φ = 28101420.

The previous prime is 42152111. The next prime is 42152147. The reversal of 42152133 is 33125124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42152133 - 2⁶ = 42152069 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 (42152183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7025353 + ... + 7025358.

It is an arithmetic number, because the mean of its divisors is an integer number (14050712).

Almost surely, 2^42152133 is an apocalyptic number.

It is an amenable number.

42152133 is a deficient number, since it is larger than the sum of its proper divisors (14050715).

42152133 is a wasteful number, since it uses less digits than its factorization.

42152133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050714.

The product of its digits is 720, while the sum is 21.

The square root of 42152133 is about 6492.4674046159. The cubic root of 42152133 is about 348.0218558740.

Adding to 42152133 its reverse (33125124), we get a palindrome (75277257).

The spelling of 42152133 in words is "forty-two million, one hundred fifty-two thousand, one hundred thirty-three".