142184897 has 2 divisors, whose sum is σ = 142184898. Its totient is φ = 142184896.

The previous prime is 142184869. The next prime is 142184927. The reversal of 142184897 is 798481241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71893441 + 70291456 = 8479^2 + 8384^2 .

It is a cyclic number.

It is not a de Polignac number, because 142184897 - 2⁸ = 142184641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142184807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71092448 + 71092449.

It is an arithmetic number, because the mean of its divisors is an integer number (71092449).

Almost surely, 2^142184897 is an apocalyptic number.

It is an amenable number.

142184897 is a deficient number, since it is larger than the sum of its proper divisors (1).

142184897 is an equidigital number, since it uses as much as digits as its factorization.

142184897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 44.

The square root of 142184897 is about 11924.1308697951. The cubic root of 142184897 is about 521.9366846279.

The spelling of 142184897 in words is "one hundred forty-two million, one hundred eighty-four thousand, eight hundred ninety-seven".