Search a number
-
+
1145031235 = 5431531337
BaseRepresentation
bin100010000111111…
…1100101001000011
32221210120121120021
41010033330221003
54321111444420
6305341554311
740242414325
oct10417745103
92853517507
101145031235
11538381a07
1227b575997
131532b959a
14ac101615
156a7cd7aa
hex443fca43

1145031235 has 8 divisors (see below), whose sum is σ = 1377228096. Its totient is φ = 913897920.

The previous prime is 1145031211. The next prime is 1145031259. The reversal of 1145031235 is 5321305411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1145031211) and next prime (1145031259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145031235 - 29 = 1145030723 is a prime.

It is a super-2 number, since 2×11450312352 = 2622193058251250450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263514 + ... + 267823.

It is an arithmetic number, because the mean of its divisors is an integer number (172153512).

Almost surely, 21145031235 is an apocalyptic number.

1145031235 is a deficient number, since it is larger than the sum of its proper divisors (232196861).

1145031235 is an equidigital number, since it uses as much as digits as its factorization.

1145031235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531773.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1145031235 is about 33838.3101676192. The cubic root of 1145031235 is about 1046.1784695117.

Adding to 1145031235 its reverse (5321305411), we get a palindrome (6466336646).

The spelling of 1145031235 in words is "one billion, one hundred forty-five million, thirty-one thousand, two hundred thirty-five".

Divisors: 1 5 431 2155 531337 2656685 229006247 1145031235