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145534757 is a prime number
BaseRepresentation
bin10001010110010…
…10111100100101
3101010211221011012
420223022330211
5244224103012
622235152005
73415011404
oct1053127445
9333757135
10145534757
1175172465
12408a5605
13241c7654
141548563b
15cb9b622
hex8acaf25

145534757 has 2 divisors, whose sum is σ = 145534758. Its totient is φ = 145534756.

The previous prime is 145534751. The next prime is 145534759. The reversal of 145534757 is 757435541.

145534757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130896481 + 14638276 = 11441^2 + 3826^2 .

It is an emirp because it is prime and its reverse (757435541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145534757 - 212 = 145530661 is a prime.

Together with 145534759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145534751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72767378 + 72767379.

It is an arithmetic number, because the mean of its divisors is an integer number (72767379).

Almost surely, 2145534757 is an apocalyptic number.

It is an amenable number.

145534757 is a deficient number, since it is larger than the sum of its proper divisors (1).

145534757 is an equidigital number, since it uses as much as digits as its factorization.

145534757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 41.

The square root of 145534757 is about 12063.7787197876. The cubic root of 145534757 is about 526.0038323729.

The spelling of 145534757 in words is "one hundred forty-five million, five hundred thirty-four thousand, seven hundred fifty-seven".