142258237 has 8 divisors (see below), whose sum is σ = 158493312. Its totient is φ = 126573600.

The previous prime is 142258211. The next prime is 142258241. The reversal of 142258237 is 732852241.

It is a happy number.

142258237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142258237 - 2¹¹ = 142256189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142258247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137064 + ... + 138097.

It is an arithmetic number, because the mean of its divisors is an integer number (19811664).

Almost surely, 2^142258237 is an apocalyptic number.

It is an amenable number.

142258237 is a deficient number, since it is larger than the sum of its proper divisors (16235075).

142258237 is a wasteful number, since it uses less digits than its factorization.

142258237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275219.

The product of its digits is 26880, while the sum is 34.

The square root of 142258237 is about 11927.2057498812. The cubic root of 142258237 is about 522.0264087773.

The spelling of 142258237 in words is "one hundred forty-two million, two hundred fifty-eight thousand, two hundred thirty-seven".