142150241 has 4 divisors (see below), whose sum is σ = 143187972. Its totient is φ = 141112512.

The previous prime is 142150237. The next prime is 142150247. The reversal of 142150241 is 142051241.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85840225 + 56310016 = 9265^2 + 7504^2 .

It is a cyclic number.

It is not a de Polignac number, because 142150241 - 2² = 142150237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142150247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518660 + ... + 518933.

It is an arithmetic number, because the mean of its divisors is an integer number (35796993).

Almost surely, 2^142150241 is an apocalyptic number.

It is an amenable number.

142150241 is a deficient number, since it is larger than the sum of its proper divisors (1037731).

142150241 is a wasteful number, since it uses less digits than its factorization.

142150241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037730.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 142150241 is about 11922.6775935609. The cubic root of 142150241 is about 521.8942757459.

The spelling of 142150241 in words is "one hundred forty-two million, one hundred fifty thousand, two hundred forty-one".