142032148649 has 2 divisors, whose sum is σ = 142032148650. Its totient is φ = 142032148648.

The previous prime is 142032148547. The next prime is 142032148669. The reversal of 142032148649 is 946841230241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126248749225 + 15783399424 = 355315^2 + 125632^2 .

It is a cyclic number.

It is not a de Polignac number, because 142032148649 - 2²⁸ = 141763713193 is a prime.

It is not a weakly prime, because it can be changed into another prime (142032148669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71016074324 + 71016074325.

It is an arithmetic number, because the mean of its divisors is an integer number (71016074325).

Almost surely, 2^142032148649 is an apocalyptic number.

It is an amenable number.

142032148649 is a deficient number, since it is larger than the sum of its proper divisors (1).

142032148649 is an equidigital number, since it uses as much as digits as its factorization.

142032148649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 142032148649 in words is "one hundred forty-two billion, thirty-two million, one hundred forty-eight thousand, six hundred forty-nine".