142053511 has 2 divisors, whose sum is σ = 142053512. Its totient is φ = 142053510.

The previous prime is 142053419. The next prime is 142053529. The reversal of 142053511 is 115350241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (115350241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142053511 - 2⁷ = 142053383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142053311) 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, 71026755 + 71026756.

It is an arithmetic number, because the mean of its divisors is an integer number (71026756).

Almost surely, 2^142053511 is an apocalyptic number.

142053511 is a deficient number, since it is larger than the sum of its proper divisors (1).

142053511 is an equidigital number, since it uses as much as digits as its factorization.

142053511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 142053511 is about 11918.6203480101. The cubic root of 142053511 is about 521.7758698300.

The spelling of 142053511 in words is "one hundred forty-two million, fifty-three thousand, five hundred eleven".