245633142 has 8 divisors (see below), whose sum is σ = 491266296. Its totient is φ = 81877712.

The previous prime is 245633137. The next prime is 245633149. The reversal of 245633142 is 241336542.

245633142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

245633142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245633149) 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, 20469423 + ... + 20469434.

It is an arithmetic number, because the mean of its divisors is an integer number (61408287).

Almost surely, 2^245633142 is an apocalyptic number.

245633142 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.

245633142 is a wasteful number, since it uses less digits than its factorization.

245633142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40938862.

The product of its digits is 17280, while the sum is 30.

The square root of 245633142 is about 15672.6877720447. The cubic root of 245633142 is about 626.2710279352.

Adding to 245633142 its reverse (241336542), we get a palindrome (486969684).

The spelling of 245633142 in words is "two hundred forty-five million, six hundred thirty-three thousand, one hundred forty-two".