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142200547 is a prime number
BaseRepresentation
bin10000111100111…
…00111011100011
3100220120112110221
420132130323203
5242400404142
622035503511
73344453566
oct1036347343
9326515427
10142200547
11732a5415
123b757b97
13235cab48
1414c584dd
15c73d767
hex879cee3

142200547 has 2 divisors, whose sum is σ = 142200548. Its totient is φ = 142200546.

The previous prime is 142200523. The next prime is 142200557. The reversal of 142200547 is 745002241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142200547 - 223 = 133811939 is a prime.

It is not a weakly prime, because it can be changed into another prime (142200557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100273 + 71100274.

It is an arithmetic number, because the mean of its divisors is an integer number (71100274).

Almost surely, 2142200547 is an apocalyptic number.

142200547 is a deficient number, since it is larger than the sum of its proper divisors (1).

142200547 is an equidigital number, since it uses as much as digits as its factorization.

142200547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 142200547 is about 11924.7870840531. The cubic root of 142200547 is about 521.9558334255.

Adding to 142200547 its reverse (745002241), we get a palindrome (887202788).

The spelling of 142200547 in words is "one hundred forty-two million, two hundred thousand, five hundred forty-seven".