142552211 has 2 divisors, whose sum is σ = 142552212. Its totient is φ = 142552210.

The previous prime is 142552169. The next prime is 142552237. The reversal of 142552211 is 112255241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142552211 - 2⁶ = 142552147 is a prime.

It is a super-2 number, since 2×142552211² = 40642265721977042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142552811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71276105 + 71276106.

It is an arithmetic number, because the mean of its divisors is an integer number (71276106).

Almost surely, 2^142552211 is an apocalyptic number.

142552211 is a deficient number, since it is larger than the sum of its proper divisors (1).

142552211 is an equidigital number, since it uses as much as digits as its factorization.

142552211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800, while the sum is 23.

The square root of 142552211 is about 11939.5230641764. The cubic root of 142552211 is about 522.3857473225.

The spelling of 142552211 in words is "one hundred forty-two million, five hundred fifty-two thousand, two hundred eleven".