142602433 has 2 divisors, whose sum is σ = 142602434. Its totient is φ = 142602432.

The previous prime is 142602407. The next prime is 142602503. The reversal of 142602433 is 334206241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105001009 + 37601424 = 10247^2 + 6132^2 .

It is an emirp because it is prime and its reverse (334206241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142602433 - 2⁵ = 142602401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142602398 and 142602407.

It is not a weakly prime, because it can be changed into another prime (142602533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71301216 + 71301217.

It is an arithmetic number, because the mean of its divisors is an integer number (71301217).

Almost surely, 2^142602433 is an apocalyptic number.

It is an amenable number.

142602433 is a deficient number, since it is larger than the sum of its proper divisors (1).

142602433 is an equidigital number, since it uses as much as digits as its factorization.

142602433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 142602433 is about 11941.6260618058. The cubic root of 142602433 is about 522.4470866649.

Adding to 142602433 its reverse (334206241), we get a palindrome (476808674).

The spelling of 142602433 in words is "one hundred forty-two million, six hundred two thousand, four hundred thirty-three".