142327957 has 2 divisors, whose sum is σ = 142327958. Its totient is φ = 142327956.

The previous prime is 142327877. The next prime is 142327981. The reversal of 142327957 is 759723241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124679556 + 17648401 = 11166^2 + 4201^2 .

It is an emirp because it is prime and its reverse (759723241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142327957 - 2²³ = 133939349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142327987) 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, 71163978 + 71163979.

It is an arithmetic number, because the mean of its divisors is an integer number (71163979).

Almost surely, 2^142327957 is an apocalyptic number.

It is an amenable number.

142327957 is a deficient number, since it is larger than the sum of its proper divisors (1).

142327957 is an equidigital number, since it uses as much as digits as its factorization.

142327957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 142327957 is about 11930.1281216926. The cubic root of 142327957 is about 522.1116756315. Note that the first 3 decimals are identical.

The spelling of 142327957 in words is "one hundred forty-two million, three hundred twenty-seven thousand, nine hundred fifty-seven".