Search a number
-
+
245137043 is a prime number
BaseRepresentation
bin11101001110001…
…11111010010011
3122002021020210202
432213013322103
51000223341133
640154045415
76034426154
oct1647077223
9562236722
10245137043
111164120a8
126a11986b
133ba2c108
14247b192b
15167c32e8
hexe9c7e93

245137043 has 2 divisors, whose sum is σ = 245137044. Its totient is φ = 245137042.

The previous prime is 245137037. The next prime is 245137049. The reversal of 245137043 is 340731542.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (245137037) and next prime (245137049).

It is a cyclic number.

It is not a de Polignac number, because 245137043 - 24 = 245137027 is a prime.

It is a super-4 number, since 4×2451370434 (a number of 35 digits) contains 4444 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245136997 and 245137015.

It is not a weakly prime, because it can be changed into another prime (245137049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122568521 + 122568522.

It is an arithmetic number, because the mean of its divisors is an integer number (122568522).

Almost surely, 2245137043 is an apocalyptic number.

245137043 is a deficient number, since it is larger than the sum of its proper divisors (1).

245137043 is an equidigital number, since it uses as much as digits as its factorization.

245137043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 245137043 is about 15656.8529085509. The cubic root of 245137043 is about 625.8491225563.

Adding to 245137043 its reverse (340731542), we get a palindrome (585868585).

The spelling of 245137043 in words is "two hundred forty-five million, one hundred thirty-seven thousand, forty-three".