142547011 has 2 divisors, whose sum is σ = 142547012. Its totient is φ = 142547010.

The previous prime is 142546997. The next prime is 142547059. The reversal of 142547011 is 110745241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142547011 - 2⁹ = 142546499 is a prime.

It is not a weakly prime, because it can be changed into another prime (142547071) 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, 71273505 + 71273506.

It is an arithmetic number, because the mean of its divisors is an integer number (71273506).

Almost surely, 2^142547011 is an apocalyptic number.

142547011 is a deficient number, since it is larger than the sum of its proper divisors (1).

142547011 is an equidigital number, since it uses as much as digits as its factorization.

142547011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 142547011 is about 11939.3052980481. The cubic root of 142547011 is about 522.3793954067.

The spelling of 142547011 in words is "one hundred forty-two million, five hundred forty-seven thousand, eleven".