250542142 has 4 divisors (see below), whose sum is σ = 375813216. Its totient is φ = 125271070.

The previous prime is 250542139. The next prime is 250542167. The reversal of 250542142 is 241245052.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62635534 + ... + 62635537.

It is an arithmetic number, because the mean of its divisors is an integer number (93953304).

Almost surely, 2^250542142 is an apocalyptic number.

250542142 is a deficient number, since it is larger than the sum of its proper divisors (125271074).

250542142 is a wasteful number, since it uses less digits than its factorization.

250542142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125271073.

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

The square root of 250542142 is about 15828.5230517569. The cubic root of 250542142 is about 630.4155669212.

Adding to 250542142 its reverse (241245052), we get a palindrome (491787194).

The spelling of 250542142 in words is "two hundred fifty million, five hundred forty-two thousand, one hundred forty-two".