142132057 has 2 divisors, whose sum is σ = 142132058. Its totient is φ = 142132056.

The previous prime is 142132043. The next prime is 142132073. The reversal of 142132057 is 750231241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87534736 + 54597321 = 9356^2 + 7389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142132057 is a prime.

It is equal to p_8025703 and since 142132057 and 8025703 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142132037) 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, 71066028 + 71066029.

It is an arithmetic number, because the mean of its divisors is an integer number (71066029).

Almost surely, 2^142132057 is an apocalyptic number.

It is an amenable number.

142132057 is a deficient number, since it is larger than the sum of its proper divisors (1).

142132057 is an equidigital number, since it uses as much as digits as its factorization.

142132057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 142132057 is about 11921.9149887927. The cubic root of 142132057 is about 521.8720210522.

Adding to 142132057 its reverse (750231241), we get a palindrome (892363298).

The spelling of 142132057 in words is "one hundred forty-two million, one hundred thirty-two thousand, fifty-seven".