142352501 has 2 divisors, whose sum is σ = 142352502. Its totient is φ = 142352500.

The previous prime is 142352477. The next prime is 142352513. The reversal of 142352501 is 105253241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117202276 + 25150225 = 10826^2 + 5015^2 .

It is an emirp because it is prime and its reverse (105253241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142352501 - 2⁶ = 142352437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142352201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71176250 + 71176251.

It is an arithmetic number, because the mean of its divisors is an integer number (71176251).

Almost surely, 2^142352501 is an apocalyptic number.

It is an amenable number.

142352501 is a deficient number, since it is larger than the sum of its proper divisors (1).

142352501 is an equidigital number, since it uses as much as digits as its factorization.

142352501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 142352501 is about 11931.1567335276. The cubic root of 142352501 is about 522.1416860682.

The spelling of 142352501 in words is "one hundred forty-two million, three hundred fifty-two thousand, five hundred one".