Search a number
-
+
145183069 is a prime number
BaseRepresentation
bin10001010011101…
…01000101011101
3101010012001201201
420221311011131
5244131324234
622223435501
73412015153
oct1051650535
9333161651
10145183069
1174a52209
1240755b91
1324103555
14153d33d3
15cb2c314
hex8a7515d

145183069 has 2 divisors, whose sum is σ = 145183070. Its totient is φ = 145183068.

The previous prime is 145183039. The next prime is 145183097. The reversal of 145183069 is 960381541.

145183069 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., 76790169 + 68392900 = 8763^2 + 8270^2 .

It is a cyclic number.

It is not a de Polignac number, because 145183069 - 219 = 144658781 is a prime.

It is a super-2 number, since 2×1451830692 = 42156247048517522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145183039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72591534 + 72591535.

It is an arithmetic number, because the mean of its divisors is an integer number (72591535).

Almost surely, 2145183069 is an apocalyptic number.

It is an amenable number.

145183069 is a deficient number, since it is larger than the sum of its proper divisors (1).

145183069 is an equidigital number, since it uses as much as digits as its factorization.

145183069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 145183069 is about 12049.1937074644. The cubic root of 145183069 is about 525.5797906063.

The spelling of 145183069 in words is "one hundred forty-five million, one hundred eighty-three thousand, sixty-nine".