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142524553 is a prime number
BaseRepresentation
bin10000111111011…
…00000010001001
3100221011222221011
420133230002021
5242441241203
622050443521
73350303323
oct1037540211
9327158834
10142524553
11734a6896
123b8935a1
13236b2472
1414d00613
15c7a476d
hex87ec089

142524553 has 2 divisors, whose sum is σ = 142524554. Its totient is φ = 142524552.

The previous prime is 142524541. The next prime is 142524559. The reversal of 142524553 is 355425241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101666889 + 40857664 = 10083^2 + 6392^2 .

It is an emirp because it is prime and its reverse (355425241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142524553 - 217 = 142393481 is a prime.

It is not a weakly prime, because it can be changed into another prime (142524559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71262276 + 71262277.

It is an arithmetic number, because the mean of its divisors is an integer number (71262277).

Almost surely, 2142524553 is an apocalyptic number.

It is an amenable number.

142524553 is a deficient number, since it is larger than the sum of its proper divisors (1).

142524553 is an equidigital number, since it uses as much as digits as its factorization.

142524553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 31.

The square root of 142524553 is about 11938.3647540189. The cubic root of 142524553 is about 522.3519606852.

Adding to 142524553 its reverse (355425241), we get a palindrome (497949794).

The spelling of 142524553 in words is "one hundred forty-two million, five hundred twenty-four thousand, five hundred fifty-three".