213152442 has 8 divisors (see below), whose sum is σ = 426304896. Its totient is φ = 71050812.

The previous prime is 213152441. The next prime is 213152447. The reversal of 213152442 is 244251312.

It is a sphenic number, since it is the product of 3 distinct primes.

213152442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (213152441) 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, 17762698 + ... + 17762709.

It is an arithmetic number, because the mean of its divisors is an integer number (53288112).

Almost surely, 2^213152442 is an apocalyptic number.

213152442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213152442 is a wasteful number, since it uses less digits than its factorization.

213152442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35525412.

The product of its digits is 1920, while the sum is 24.

The square root of 213152442 is about 14599.7411620891. The cubic root of 213152442 is about 597.3517002678.

The spelling of 213152442 in words is "two hundred thirteen million, one hundred fifty-two thousand, four hundred forty-two".