142000155061 has 2 divisors, whose sum is σ = 142000155062. Its totient is φ = 142000155060.

The previous prime is 142000154969. The next prime is 142000155079. The reversal of 142000155061 is 160551000241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140179852836 + 1820302225 = 374406^2 + 42665^2 .

It is an emirp because it is prime and its reverse (160551000241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142000155061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142000155091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71000077530 + 71000077531.

It is an arithmetic number, because the mean of its divisors is an integer number (71000077531).

Almost surely, 2^142000155061 is an apocalyptic number.

It is an amenable number.

142000155061 is a deficient number, since it is larger than the sum of its proper divisors (1).

142000155061 is an equidigital number, since it uses as much as digits as its factorization.

142000155061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 142000155061 in words is "one hundred forty-two billion, one hundred fifty-five thousand, sixty-one".