Search a number
-
+
145422283 is a prime number
BaseRepresentation
bin10001010101011…
…11011111001011
3101010122012212111
420222233133023
5244212003113
622232523151
73414032446
oct1052573713
9333565774
10145422283
11750a5a06
12408504b7
13241883b6
141545665d
15cb7813d
hex8aaf7cb

145422283 has 2 divisors, whose sum is σ = 145422284. Its totient is φ = 145422282.

The previous prime is 145422229. The next prime is 145422323. The reversal of 145422283 is 382224541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145422283 - 221 = 143325131 is a prime.

It is a super-2 number, since 2×1454222832 = 42295280785864178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145422083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72711141 + 72711142.

It is an arithmetic number, because the mean of its divisors is an integer number (72711142).

Almost surely, 2145422283 is an apocalyptic number.

145422283 is a deficient number, since it is larger than the sum of its proper divisors (1).

145422283 is an equidigital number, since it uses as much as digits as its factorization.

145422283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 31.

The square root of 145422283 is about 12059.1161782280. The cubic root of 145422283 is about 525.8682931530.

The spelling of 145422283 in words is "one hundred forty-five million, four hundred twenty-two thousand, two hundred eighty-three".