Search a number
-
+
145774127 is a prime number
BaseRepresentation
bin10001011000001…
…01011000101111
3101011022002111202
420230011120233
5244304233002
622244240115
73420026312
oct1054053057
9334262452
10145774127
1175316294
12409a003b
132427c5a5
1415508979
15cbe7502
hex8b0562f

145774127 has 2 divisors, whose sum is σ = 145774128. Its totient is φ = 145774126.

The previous prime is 145774091. The next prime is 145774129. The reversal of 145774127 is 721477541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145774127 - 218 = 145511983 is a prime.

It is a super-2 number, since 2×1457741272 = 42500192205224258, which contains 22 as substring.

Together with 145774129, 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 (145774129) 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, 72887063 + 72887064.

It is an arithmetic number, because the mean of its divisors is an integer number (72887064).

Almost surely, 2145774127 is an apocalyptic number.

145774127 is a deficient number, since it is larger than the sum of its proper divisors (1).

145774127 is an equidigital number, since it uses as much as digits as its factorization.

145774127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54880, while the sum is 38.

The square root of 145774127 is about 12073.6956645428. The cubic root of 145774127 is about 526.2920580691.

The spelling of 145774127 in words is "one hundred forty-five million, seven hundred seventy-four thousand, one hundred twenty-seven".