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145966747 is a prime number
BaseRepresentation
bin10001011001101…
…00011010011011
3101011122212201211
420230310122123
5244331413442
622252323551
73421461013
oct1054643233
9334585654
10145966747
1175437a83
1240a735b7
1324319174
1415558c43
15cc34617
hex8b3469b

145966747 has 2 divisors, whose sum is σ = 145966748. Its totient is φ = 145966746.

The previous prime is 145966741. The next prime is 145966753. The reversal of 145966747 is 747669541.

145966747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (145966741) and next prime (145966753).

It is an emirp because it is prime and its reverse (747669541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145966747 - 215 = 145933979 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145966747.

It is not a weakly prime, because it can be changed into another prime (145966741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72983373 + 72983374.

It is an arithmetic number, because the mean of its divisors is an integer number (72983374).

Almost surely, 2145966747 is an apocalyptic number.

145966747 is a deficient number, since it is larger than the sum of its proper divisors (1).

145966747 is an equidigital number, since it uses as much as digits as its factorization.

145966747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 145966747 is about 12081.6698763044. The cubic root of 145966747 is about 526.5237630143.

The spelling of 145966747 in words is "one hundred forty-five million, nine hundred sixty-six thousand, seven hundred forty-seven".