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142554829 is a prime number
BaseRepresentation
bin10000111111100…
…11011011001101
3100221020112110111
420133303123031
5242443223304
622051240021
73350460514
oct1037633315
9327215414
10142554829
117351760a
123b8a9011
13236c3191
1414d0b67b
15c7ad704
hex87f36cd

142554829 has 2 divisors, whose sum is σ = 142554830. Its totient is φ = 142554828.

The previous prime is 142554823. The next prime is 142554857. The reversal of 142554829 is 928455241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142157929 + 396900 = 11923^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 142554829 - 29 = 142554317 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142554791 and 142554800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142554823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71277414 + 71277415.

It is an arithmetic number, because the mean of its divisors is an integer number (71277415).

Almost surely, 2142554829 is an apocalyptic number.

It is an amenable number.

142554829 is a deficient number, since it is larger than the sum of its proper divisors (1).

142554829 is an equidigital number, since it uses as much as digits as its factorization.

142554829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 40.

The square root of 142554829 is about 11939.6326995431. The cubic root of 142554829 is about 522.3889452093.

The spelling of 142554829 in words is "one hundred forty-two million, five hundred fifty-four thousand, eight hundred twenty-nine".