142147601 has 2 divisors, whose sum is σ = 142147602. Its totient is φ = 142147600.

The previous prime is 142147597. The next prime is 142147631. The reversal of 142147601 is 106741241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100480576 + 41667025 = 10024^2 + 6455^2 .

It is a cyclic number.

It is not a de Polignac number, because 142147601 - 2² = 142147597 is a prime.

It is equal to p_8026514 and since 142147601 and 8026514 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 (142147631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71073800 + 71073801.

It is an arithmetic number, because the mean of its divisors is an integer number (71073801).

Almost surely, 2^142147601 is an apocalyptic number.

It is an amenable number.

142147601 is a deficient number, since it is larger than the sum of its proper divisors (1).

142147601 is an equidigital number, since it uses as much as digits as its factorization.

142147601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 142147601 is about 11922.5668796614. The cubic root of 142147601 is about 521.8910448699.

Adding to 142147601 its reverse (106741241), we get a palindrome (248888842).

The spelling of 142147601 in words is "one hundred forty-two million, one hundred forty-seven thousand, six hundred one".