Search a number
-
+
1145245301 = 5443210407
BaseRepresentation
bin100010001000011…
…0000111001110101
32221210222111012122
41010100300321311
54321140322201
6305350325325
740244265404
oct10420607165
92853874178
101145245301
11538508822
1227b659845
13153362b55
14ac15963b
156a821e1b
hex44430e75

1145245301 has 4 divisors (see below), whose sum is σ = 1145461152. Its totient is φ = 1145029452.

The previous prime is 1145245229. The next prime is 1145245303. The reversal of 1145245301 is 1035425411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1145245301 - 218 = 1144983157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145245303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99761 + ... + 110646.

It is an arithmetic number, because the mean of its divisors is an integer number (286365288).

Almost surely, 21145245301 is an apocalyptic number.

It is an amenable number.

1145245301 is a deficient number, since it is larger than the sum of its proper divisors (215851).

1145245301 is an equidigital number, since it uses as much as digits as its factorization.

1145245301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215850.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1145245301 is about 33841.4730914598. The cubic root of 1145245301 is about 1046.2436605384.

The spelling of 1145245301 in words is "one billion, one hundred forty-five million, two hundred forty-five thousand, three hundred one".

Divisors: 1 5443 210407 1145245301