142836401 has 2 divisors, whose sum is σ = 142836402. Its totient is φ = 142836400.

The previous prime is 142836389. The next prime is 142836409. The reversal of 142836401 is 104638241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142826401 + 10000 = 11951^2 + 100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142836401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142836409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71418200 + 71418201.

It is an arithmetic number, because the mean of its divisors is an integer number (71418201).

Almost surely, 2^142836401 is an apocalyptic number.

It is an amenable number.

142836401 is a deficient number, since it is larger than the sum of its proper divisors (1).

142836401 is an equidigital number, since it uses as much as digits as its factorization.

142836401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 142836401 is about 11951.4183677085. The cubic root of 142836401 is about 522.7326570847.

The spelling of 142836401 in words is "one hundred forty-two million, eight hundred thirty-six thousand, four hundred one".