250000142 has 8 divisors (see below), whose sum is σ = 428571696. Its totient is φ = 107142912.

The previous prime is 250000141. The next prime is 250000189. The reversal of 250000142 is 241000052.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 17857153 = 250000142 / (2 + 5 + 0 + 0 + 0 + 0 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250000141) 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, 8928563 + ... + 8928590.

It is an arithmetic number, because the mean of its divisors is an integer number (53571462).

Almost surely, 2^250000142 is an apocalyptic number.

250000142 is a deficient number, since it is larger than the sum of its proper divisors (178571554).

250000142 is a wasteful number, since it uses less digits than its factorization.

250000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17857162.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 250000142 is about 15811.3927912755. The cubic root of 250000142 is about 629.9606442199.

Adding to 250000142 its reverse (241000052), we get a palindrome (491000194).

The spelling of 250000142 in words is "two hundred fifty million, one hundred forty-two", and thus it is an aban number.