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142503047 is a prime number
BaseRepresentation
bin10000111111001…
…10110010000111
3100221010220102122
420133212302013
5242440044142
622050200155
73350153531
oct1037466207
9327126378
10142503047
1173491715
123b88305b
13236a573b
1414cd6851
15c79d1d2
hex87e6c87

142503047 has 2 divisors, whose sum is σ = 142503048. Its totient is φ = 142503046.

The previous prime is 142502981. The next prime is 142503073. The reversal of 142503047 is 740305241.

It is an a-pointer prime, because the next prime (142503073) can be obtained adding 142503047 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142503047 - 28 = 142502791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142503077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71251523 + 71251524.

It is an arithmetic number, because the mean of its divisors is an integer number (71251524).

Almost surely, 2142503047 is an apocalyptic number.

142503047 is a deficient number, since it is larger than the sum of its proper divisors (1).

142503047 is an equidigital number, since it uses as much as digits as its factorization.

142503047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 142503047 is about 11937.4640104170. The cubic root of 142503047 is about 522.3256862268.

Adding to 142503047 its reverse (740305241), we get a palindrome (882808288).

The spelling of 142503047 in words is "one hundred forty-two million, five hundred three thousand, forty-seven".