142702177 has 2 divisors, whose sum is σ = 142702178. Its totient is φ = 142702176.

The previous prime is 142702171. The next prime is 142702187. The reversal of 142702177 is 771207241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138203536 + 4498641 = 11756^2 + 2121^2 .

It is a cyclic number.

It is not a de Polignac number, because 142702177 - 2³ = 142702169 is a prime.

It is a super-2 number, since 2×142702177² = 40727822641078658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142702171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71351088 + 71351089.

It is an arithmetic number, because the mean of its divisors is an integer number (71351089).

Almost surely, 2^142702177 is an apocalyptic number.

It is an amenable number.

142702177 is a deficient number, since it is larger than the sum of its proper divisors (1).

142702177 is an equidigital number, since it uses as much as digits as its factorization.

142702177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 142702177 is about 11945.8016474408. The cubic root of 142702177 is about 522.5688677035.

The spelling of 142702177 in words is "one hundred forty-two million, seven hundred two thousand, one hundred seventy-seven".