142262243 has 2 divisors, whose sum is σ = 142262244. Its totient is φ = 142262242.

The previous prime is 142262231. The next prime is 142262257. The reversal of 142262243 is 342262241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142262243 - 2²² = 138067939 is a prime.

It is not a weakly prime, because it can be changed into another prime (142262293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71131121 + 71131122.

It is an arithmetic number, because the mean of its divisors is an integer number (71131122).

Almost surely, 2^142262243 is an apocalyptic number.

142262243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142262243 is an equidigital number, since it uses as much as digits as its factorization.

142262243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 142262243 is about 11927.3736840932. The cubic root of 142262243 is about 522.0313088290.

The spelling of 142262243 in words is "one hundred forty-two million, two hundred sixty-two thousand, two hundred forty-three".