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142521043155641 is a prime number
BaseRepresentation
bin100000011001111101000100…
…001001100111101010111001
3200200121212201112201011120122
4200121331010021213222321
5122140031044021440031
61223041132515103025
742006543211401503
oct4031750411475271
9620555645634518
10142521043155641
1141458920388847
1213b99648ba1a75
13616a8a4937607
14272a0aba28d73
15117247572147b
hex819f44267ab9

142521043155641 has 2 divisors, whose sum is σ = 142521043155642. Its totient is φ = 142521043155640.

The previous prime is 142521043155613. The next prime is 142521043155643. The reversal of 142521043155641 is 146551340125241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112790687127616 + 29730356028025 = 10620296^2 + 5452555^2 .

It is a cyclic number.

It is not a de Polignac number, because 142521043155641 - 26 = 142521043155577 is a prime.

Together with 142521043155643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142521043155592 and 142521043155601.

It is not a weakly prime, because it can be changed into another prime (142521043155643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71260521577820 + 71260521577821.

It is an arithmetic number, because the mean of its divisors is an integer number (71260521577821).

Almost surely, 2142521043155641 is an apocalyptic number.

It is an amenable number.

142521043155641 is a deficient number, since it is larger than the sum of its proper divisors (1).

142521043155641 is an equidigital number, since it uses as much as digits as its factorization.

142521043155641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 142521043155641 in words is "one hundred forty-two trillion, five hundred twenty-one billion, forty-three million, one hundred fifty-five thousand, six hundred forty-one".