Search a number
-
+
2145628153 is a prime number
BaseRepresentation
bin111111111100011…
…1010111111111001
312112112101012111101
41333320322333321
513343240100103
6552524131401
7104112352444
oct17770727771
95475335441
102145628153
11a01173209
124ba696b61
132826a5376
14164d6665b
15c857ba1d
hex7fe3aff9

2145628153 has 2 divisors, whose sum is σ = 2145628154. Its totient is φ = 2145628152.

The previous prime is 2145628129. The next prime is 2145628193. The reversal of 2145628153 is 3518265412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1155456064 + 990172089 = 33992^2 + 31467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2145628153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145628193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072814076 + 1072814077.

It is an arithmetic number, because the mean of its divisors is an integer number (1072814077).

Almost surely, 22145628153 is an apocalyptic number.

It is an amenable number.

2145628153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145628153 is an equidigital number, since it uses as much as digits as its factorization.

2145628153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 2145628153 is about 46320.9256492139. The cubic root of 2145628153 is about 1289.7874683418.

The spelling of 2145628153 in words is "two billion, one hundred forty-five million, six hundred twenty-eight thousand, one hundred fifty-three".