142306601 has 4 divisors (see below), whose sum is σ = 142618452. Its totient is φ = 141994752.

The previous prime is 142306597. The next prime is 142306627. The reversal of 142306601 is 106603241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106603241 = 2857 ⋅37313.

It can be written as a sum of positive squares in 2 ways, for example, as 59059225 + 83247376 = 7685^2 + 9124^2 .

It is a cyclic number.

It is not a de Polignac number, because 142306601 - 2² = 142306597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142306631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155240 + ... + 156153.

It is an arithmetic number, because the mean of its divisors is an integer number (35654613).

Almost surely, 2^142306601 is an apocalyptic number.

It is an amenable number.

142306601 is a deficient number, since it is larger than the sum of its proper divisors (311851).

142306601 is an equidigital number, since it uses as much as digits as its factorization.

142306601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311850.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 142306601 is about 11929.2330432430. The cubic root of 142306601 is about 522.0855604186.

Adding to 142306601 its reverse (106603241), we get a palindrome (248909842).

The spelling of 142306601 in words is "one hundred forty-two million, three hundred six thousand, six hundred one".