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142954291 is a prime number
BaseRepresentation
bin10001000010101…
…00111100110011
3100221222211102101
420201110330303
5243044014131
622104001231
73354043234
oct1041247463
9327884371
10142954291
117376a747
123ba60217
1323802c4c
1414db308b
15c83bc61
hex8854f33

142954291 has 2 divisors, whose sum is σ = 142954292. Its totient is φ = 142954290.

The previous prime is 142954283. The next prime is 142954327. The reversal of 142954291 is 192459241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142954291 - 23 = 142954283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142954291.

It is not a weakly prime, because it can be changed into another prime (142954261) 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, 71477145 + 71477146.

It is an arithmetic number, because the mean of its divisors is an integer number (71477146).

Almost surely, 2142954291 is an apocalyptic number.

142954291 is a deficient number, since it is larger than the sum of its proper divisors (1).

142954291 is an equidigital number, since it uses as much as digits as its factorization.

142954291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 142954291 is about 11956.3494010505. The cubic root of 142954291 is about 522.8764299751.

The spelling of 142954291 in words is "one hundred forty-two million, nine hundred fifty-four thousand, two hundred ninety-one".