Search a number
-
+
145030033 is a prime number
BaseRepresentation
bin10001010010011…
…11101110010001
3101002220021210201
420221033232101
5244111430113
622220255201
73410510041
oct1051175621
9332807721
10145030033
1174958235
12406a1501
132407b9b5
1415393721
15caebcdd
hex8a4fb91

145030033 has 2 divisors, whose sum is σ = 145030034. Its totient is φ = 145030032.

The previous prime is 145030031. The next prime is 145030037. The reversal of 145030033 is 330030541.

145030033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119749249 + 25280784 = 10943^2 + 5028^2 .

It is a cyclic number.

It is not a de Polignac number, because 145030033 - 21 = 145030031 is a prime.

Together with 145030031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145030031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72515016 + 72515017.

It is an arithmetic number, because the mean of its divisors is an integer number (72515017).

Almost surely, 2145030033 is an apocalyptic number.

It is an amenable number.

145030033 is a deficient number, since it is larger than the sum of its proper divisors (1).

145030033 is an equidigital number, since it uses as much as digits as its factorization.

145030033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 145030033 is about 12042.8415666735. The cubic root of 145030033 is about 525.3950562406.

Adding to 145030033 its reverse (330030541), we get a palindrome (475060574).

The spelling of 145030033 in words is "one hundred forty-five million, thirty thousand, thirty-three".