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142454357623 is a prime number
BaseRepresentation
bin1000010010101011110…
…0001111111001110111
3111121200220000011110101
42010222330033321313
54313221303420443
6145235335134531
713202103026614
oct2045274177167
9447626004411
10142454357623
1155461853376
1223737814447
1310583200606
146c7559b50b
153a8b43384d
hex212af0fe77

142454357623 has 2 divisors, whose sum is σ = 142454357624. Its totient is φ = 142454357622.

The previous prime is 142454357621. The next prime is 142454357627. The reversal of 142454357623 is 326753454241.

It is a weak prime.

It is an emirp because it is prime and its reverse (326753454241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142454357623 - 21 = 142454357621 is a prime.

Together with 142454357621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142454357621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71227178811 + 71227178812.

It is an arithmetic number, because the mean of its divisors is an integer number (71227178812).

Almost surely, 2142454357623 is an apocalyptic number.

142454357623 is a deficient number, since it is larger than the sum of its proper divisors (1).

142454357623 is an equidigital number, since it uses as much as digits as its factorization.

142454357623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 46.

The spelling of 142454357623 in words is "one hundred forty-two billion, four hundred fifty-four million, three hundred fifty-seven thousand, six hundred twenty-three".