142263249 has 8 divisors (see below), whose sum is σ = 191132832. Its totient is φ = 94117920.

The previous prime is 142263227. The next prime is 142263281. The reversal of 142263249 is 942362241.

142263249 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 not a de Polignac number, because 142263249 - 2¹² = 142259153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142253249) 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, 180604 + ... + 181389.

It is an arithmetic number, because the mean of its divisors is an integer number (23891604).

Almost surely, 2^142263249 is an apocalyptic number.

It is an amenable number.

142263249 is a deficient number, since it is larger than the sum of its proper divisors (48869583).

142263249 is a wasteful number, since it uses less digits than its factorization.

142263249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362127.

The product of its digits is 20736, while the sum is 33.

The square root of 142263249 is about 11927.4158559178. The cubic root of 142263249 is about 522.0325393318.

The spelling of 142263249 in words is "one hundred forty-two million, two hundred sixty-three thousand, two hundred forty-nine".