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142477193 is a prime number
BaseRepresentation
bin10000111111000…
…00011110001001
3100221002120222002
420133200132021
5242433232233
622045440345
73350015255
oct1037403611
9327076862
10142477193
1173474251
123b8700b5
1323696a41
1414ccb265
15c7956e8
hex87e0789

142477193 has 2 divisors, whose sum is σ = 142477194. Its totient is φ = 142477192.

The previous prime is 142477183. The next prime is 142477201. The reversal of 142477193 is 391774241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95101504 + 47375689 = 9752^2 + 6883^2 .

It is a cyclic number.

It is not a de Polignac number, because 142477193 - 226 = 75368329 is a prime.

It is not a weakly prime, because it can be changed into another prime (142477133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71238596 + 71238597.

It is an arithmetic number, because the mean of its divisors is an integer number (71238597).

Almost surely, 2142477193 is an apocalyptic number.

It is an amenable number.

142477193 is a deficient number, since it is larger than the sum of its proper divisors (1).

142477193 is an equidigital number, since it uses as much as digits as its factorization.

142477193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 142477193 is about 11936.3810679787. The cubic root of 142477193 is about 522.2940962004.

The spelling of 142477193 in words is "one hundred forty-two million, four hundred seventy-seven thousand, one hundred ninety-three".