142213254 has 8 divisors (see below), whose sum is σ = 284426520. Its totient is φ = 47404416.

The previous prime is 142213243. The next prime is 142213259. The reversal of 142213254 is 452312241.

142213254 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.

142213254 is an admirable number.

It is a super-3 number, since 3×142213254³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213259) 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, 11851099 + ... + 11851110.

It is an arithmetic number, because the mean of its divisors is an integer number (35553315).

Almost surely, 2^142213254 is an apocalyptic number.

142213254 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.

142213254 is a wasteful number, since it uses less digits than its factorization.

142213254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23702214.

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

The square root of 142213254 is about 11925.3198699238. The cubic root of 142213254 is about 521.9713802368.

Adding to 142213254 its reverse (452312241), we get a palindrome (594525495).

The spelling of 142213254 in words is "one hundred forty-two million, two hundred thirteen thousand, two hundred fifty-four".