142210254 has 8 divisors (see below), whose sum is σ = 284420520. Its totient is φ = 47403416.

The previous prime is 142210249. The next prime is 142210261. The reversal of 142210254 is 452012241.

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

142210254 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142210254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11850849 + ... + 11850860.

It is an arithmetic number, because the mean of its divisors is an integer number (35552565).

Almost surely, 2^142210254 is an apocalyptic number.

142210254 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.

142210254 is a wasteful number, since it uses less digits than its factorization.

142210254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23701714.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142210254 is about 11925.1940864709. The cubic root of 142210254 is about 521.9677098683.

Adding to 142210254 its reverse (452012241), we get a palindrome (594222495).

The spelling of 142210254 in words is "one hundred forty-two million, two hundred ten thousand, two hundred fifty-four".