Search a number
-
+
145654387 is a prime number
BaseRepresentation
bin10001010111010…
…00001001110011
3101011002000020221
420223220021303
5244241420022
622241513511
73416020234
oct1053501163
9334060227
10145654387
117524432a
1240942897
1324239c38
14154b708b
15cbc1cc7
hex8ae8273

145654387 has 2 divisors, whose sum is σ = 145654388. Its totient is φ = 145654386.

The previous prime is 145654381. The next prime is 145654393. The reversal of 145654387 is 783456541.

It is a balanced prime because it is at equal distance from previous prime (145654381) and next prime (145654393).

It is a cyclic number.

It is not a de Polignac number, because 145654387 - 27 = 145654259 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (145654381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72827193 + 72827194.

It is an arithmetic number, because the mean of its divisors is an integer number (72827194).

Almost surely, 2145654387 is an apocalyptic number.

145654387 is a deficient number, since it is larger than the sum of its proper divisors (1).

145654387 is an equidigital number, since it uses as much as digits as its factorization.

145654387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 145654387 is about 12068.7359321513. The cubic root of 145654387 is about 526.1479184682.

The spelling of 145654387 in words is "one hundred forty-five million, six hundred fifty-four thousand, three hundred eighty-seven".