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142845253 is a prime number
BaseRepresentation
bin10001000001110…
…10010101000101
3100221210021211221
420200322111011
5243032022003
622101400341
73353110315
oct1040722505
9327707757
10142845253
11736a5831
123ba090b1
1323795425
1414d85445
15c8197bd
hex883a545

142845253 has 2 divisors, whose sum is σ = 142845254. Its totient is φ = 142845252.

The previous prime is 142845247. The next prime is 142845259. The reversal of 142845253 is 352548241.

It is a balanced prime because it is at equal distance from previous prime (142845247) and next prime (142845259).

It can be written as a sum of positive squares in only one way, i.e., 135326689 + 7518564 = 11633^2 + 2742^2 .

It is a cyclic number.

It is not a de Polignac number, because 142845253 - 217 = 142714181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142845259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71422626 + 71422627.

It is an arithmetic number, because the mean of its divisors is an integer number (71422627).

Almost surely, 2142845253 is an apocalyptic number.

It is an amenable number.

142845253 is a deficient number, since it is larger than the sum of its proper divisors (1).

142845253 is an equidigital number, since it uses as much as digits as its factorization.

142845253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The square root of 142845253 is about 11951.7886945846. The cubic root of 142845253 is about 522.7434552983.

The spelling of 142845253 in words is "one hundred forty-two million, eight hundred forty-five thousand, two hundred fifty-three".