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142740053 is a prime number
BaseRepresentation
bin10001000001000…
…00101001010101
3100221120221112122
420200200221111
5243020140203
622055225325
73352161521
oct1040405125
9327527478
10142740053
1173633795
123b978245
1323759591
1414d58d81
15c7e8538
hex8820a55

142740053 has 2 divisors, whose sum is σ = 142740054. Its totient is φ = 142740052.

The previous prime is 142740011. The next prime is 142740079. The reversal of 142740053 is 350047241.

It is an a-pointer prime, because the next prime (142740079) can be obtained adding 142740053 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93276964 + 49463089 = 9658^2 + 7033^2 .

It is a cyclic number.

It is not a de Polignac number, because 142740053 - 28 = 142739797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142742053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71370026 + 71370027.

It is an arithmetic number, because the mean of its divisors is an integer number (71370027).

Almost surely, 2142740053 is an apocalyptic number.

It is an amenable number.

142740053 is a deficient number, since it is larger than the sum of its proper divisors (1).

142740053 is an equidigital number, since it uses as much as digits as its factorization.

142740053 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 142740053 is about 11947.3868691024. The cubic root of 142740053 is about 522.6150970088.

Adding to 142740053 its reverse (350047241), we get a palindrome (492787294).

The spelling of 142740053 in words is "one hundred forty-two million, seven hundred forty thousand, fifty-three".