254520142 has 8 divisors (see below), whose sum is σ = 382166136. Its totient is φ = 127131432.

The previous prime is 254520131. The next prime is 254520163. The reversal of 254520142 is 241025452.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61828 + ... + 65815.

It is an arithmetic number, because the mean of its divisors is an integer number (47770767).

Almost surely, 2^254520142 is an apocalyptic number.

254520142 is a deficient number, since it is larger than the sum of its proper divisors (127645994).

254520142 is a wasteful number, since it uses less digits than its factorization.

254520142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128642.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 254520142 is about 15953.6874107524. The cubic root of 254520142 is about 633.7345513755.

Adding to 254520142 its reverse (241025452), we get a palindrome (495545594).

The spelling of 254520142 in words is "two hundred fifty-four million, five hundred twenty thousand, one hundred forty-two".