Search a number
-
+
1145253423 = 32571485413
BaseRepresentation
bin100010001000011…
…0010111000101111
32221210222220100110
41010100302320233
54321141102143
6305350431103
740244331156
oct10420627057
92853886313
101145253423
11538513936
1227b662493
13153366762
14ac15c59d
156a824533
hex44432e2f

1145253423 has 8 divisors (see below), whose sum is σ = 1532947248. Its totient is φ = 760530944.

The previous prime is 1145253407. The next prime is 1145253469. The reversal of 1145253423 is 3243525411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145253423 - 24 = 1145253407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145253023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741936 + ... + 743477.

It is an arithmetic number, because the mean of its divisors is an integer number (191618406).

Almost surely, 21145253423 is an apocalyptic number.

1145253423 is a deficient number, since it is larger than the sum of its proper divisors (387693825).

1145253423 is a wasteful number, since it uses less digits than its factorization.

1145253423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485673.

The product of its digits is 14400, while the sum is 30.

The square root of 1145253423 is about 33841.5930919335. The cubic root of 1145253423 is about 1046.2461338283.

Adding to 1145253423 its reverse (3243525411), we get a palindrome (4388778834).

The spelling of 1145253423 in words is "one billion, one hundred forty-five million, two hundred fifty-three thousand, four hundred twenty-three".

Divisors: 1 3 257 771 1485413 4456239 381751141 1145253423