142432601 has 6 divisors (see below), whose sum is σ = 147514302. Its totient is φ = 137520320.

The previous prime is 142432597. The next prime is 142432637. The reversal of 142432601 is 106234241.

It can be written as a sum of positive squares in 3 ways, for example, as 2247001 + 140185600 = 1499^2 + 11840^2 .

It is not a de Polignac number, because 142432601 - 2² = 142432597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142432651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83840 + ... + 85521.

It is an arithmetic number, because the mean of its divisors is an integer number (24585717).

Almost surely, 2^142432601 is an apocalyptic number.

It is an amenable number.

142432601 is a deficient number, since it is larger than the sum of its proper divisors (5081701).

142432601 is an equidigital number, since it uses as much as digits as its factorization.

142432601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169419 (or 169390 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 142432601 is about 11934.5130189715. The cubic root of 142432601 is about 522.2396019382.

Adding to 142432601 its reverse (106234241), we get a palindrome (248666842).

The spelling of 142432601 in words is "one hundred forty-two million, four hundred thirty-two thousand, six hundred one".