142312061 has 2 divisors, whose sum is σ = 142312062. Its totient is φ = 142312060.

The previous prime is 142312057. The next prime is 142312073. The reversal of 142312061 is 160213241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 43309561 = 9950^2 + 6581^2 .

It is an emirp because it is prime and its reverse (160213241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142312061 - 2² = 142312057 is a prime.

It is equal to p_8035310 and since 142312061 and 8035310 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142312091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71156030 + 71156031.

It is an arithmetic number, because the mean of its divisors is an integer number (71156031).

Almost surely, 2^142312061 is an apocalyptic number.

It is an amenable number.

142312061 is a deficient number, since it is larger than the sum of its proper divisors (1).

142312061 is an equidigital number, since it uses as much as digits as its factorization.

142312061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 142312061 is about 11929.4618906303. The cubic root of 142312061 is about 522.0922374355.

The spelling of 142312061 in words is "one hundred forty-two million, three hundred twelve thousand, sixty-one".