142350251 has 4 divisors (see below), whose sum is σ = 142375152. Its totient is φ = 142325352.

The previous prime is 142350239. The next prime is 142350283. The reversal of 142350251 is 152053241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142350251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142359251) 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, 890 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (35593788).

Almost surely, 2^142350251 is an apocalyptic number.

142350251 is a deficient number, since it is larger than the sum of its proper divisors (24901).

142350251 is an equidigital number, since it uses as much as digits as its factorization.

142350251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24900.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 142350251 is about 11931.0624422136. The cubic root of 142350251 is about 522.1389350921.

The spelling of 142350251 in words is "one hundred forty-two million, three hundred fifty thousand, two hundred fifty-one".