142150237 has 2 divisors, whose sum is σ = 142150238. Its totient is φ = 142150236.

The previous prime is 142150219. The next prime is 142150247. The reversal of 142150237 is 732051241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111746041 + 30404196 = 10571^2 + 5514^2 .

It is a cyclic number.

It is not a de Polignac number, because 142150237 - 2⁷ = 142150109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142150207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71075118 + 71075119.

It is an arithmetic number, because the mean of its divisors is an integer number (71075119).

Almost surely, 2^142150237 is an apocalyptic number.

It is an amenable number.

142150237 is a deficient number, since it is larger than the sum of its proper divisors (1).

142150237 is an equidigital number, since it uses as much as digits as its factorization.

142150237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 142150237 is about 11922.6774258134. The cubic root of 142150237 is about 521.8942708507.

The spelling of 142150237 in words is "one hundred forty-two million, one hundred fifty thousand, two hundred thirty-seven".