Search a number
-
+
153140237 is a prime number
BaseRepresentation
bin10010010000010…
…11110000001101
3101200011022220122
421020023300031
5303200441422
623110154325
73536445665
oct1110136015
9350138818
10153140237
1179497588
12433529a5
132595b333
14164a51a5
15d69ed42
hex920bc0d

153140237 has 2 divisors, whose sum is σ = 153140238. Its totient is φ = 153140236.

The previous prime is 153140231. The next prime is 153140257. The reversal of 153140237 is 732041351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153041641 + 98596 = 12371^2 + 314^2 .

It is an emirp because it is prime and its reverse (732041351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153140237 - 26 = 153140173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153140231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76570118 + 76570119.

It is an arithmetic number, because the mean of its divisors is an integer number (76570119).

Almost surely, 2153140237 is an apocalyptic number.

It is an amenable number.

153140237 is a deficient number, since it is larger than the sum of its proper divisors (1).

153140237 is an equidigital number, since it uses as much as digits as its factorization.

153140237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 153140237 is about 12374.9843232224. The cubic root of 153140237 is about 535.0114848904.

Adding to 153140237 its reverse (732041351), we get a palindrome (885181588).

The spelling of 153140237 in words is "one hundred fifty-three million, one hundred forty thousand, two hundred thirty-seven".