142301612549 has 2 divisors, whose sum is σ = 142301612550. Its totient is φ = 142301612548.

The previous prime is 142301612539. The next prime is 142301612597. The reversal of 142301612549 is 945216103241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80937405025 + 61364207524 = 284495^2 + 247718^2 .

It is a cyclic number.

It is not a de Polignac number, because 142301612549 - 2⁴ = 142301612533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142301612539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71150806274 + 71150806275.

It is an arithmetic number, because the mean of its divisors is an integer number (71150806275).

Almost surely, 2^142301612549 is an apocalyptic number.

It is an amenable number.

142301612549 is a deficient number, since it is larger than the sum of its proper divisors (1).

142301612549 is an equidigital number, since it uses as much as digits as its factorization.

142301612549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 142301612549 in words is "one hundred forty-two billion, three hundred one million, six hundred twelve thousand, five hundred forty-nine".