Search a number
-
+
153140231 is a prime number
BaseRepresentation
bin10010010000010…
…11110000000111
3101200011022220102
421020023300013
5303200441411
623110154315
73536445656
oct1110136007
9350138812
10153140231
1179497582
124335299b
132595b32a
14164a519d
15d69ed3b
hex920bc07

153140231 has 2 divisors, whose sum is σ = 153140232. Its totient is φ = 153140230.

The previous prime is 153140201. The next prime is 153140237. The reversal of 153140231 is 132041351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153140231 - 26 = 153140167 is a prime.

It is a super-2 number, since 2×1531402312 = 46903860701466722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153140237) 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, 76570115 + 76570116.

It is an arithmetic number, because the mean of its divisors is an integer number (76570116).

Almost surely, 2153140231 is an apocalyptic number.

153140231 is a deficient number, since it is larger than the sum of its proper divisors (1).

153140231 is an equidigital number, since it uses as much as digits as its factorization.

153140231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 153140231 is about 12374.9840807978. The cubic root of 153140231 is about 535.0114779032.

Adding to 153140231 its reverse (132041351), we get a palindrome (285181582).

The spelling of 153140231 in words is "one hundred fifty-three million, one hundred forty thousand, two hundred thirty-one".