Search a number
-
+
1142145354 = 237263103399
BaseRepresentation
bin100010000010011…
…1100000101001010
32221121010222212210
41010010330011022
54314342122404
6305200045550
740206034560
oct10404740512
92847128783
101142145354
11536790789
1227a6038b6
13152818b6c
14ab98da30
156a40d689
hex4413c14a

1142145354 has 32 divisors (see below), whose sum is σ = 2620569600. Its totient is φ = 325083312.

The previous prime is 1142145349. The next prime is 1142145379. The reversal of 1142145354 is 4535412411.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 40654 + ... + 62745.

It is an arithmetic number, because the mean of its divisors is an integer number (81892800).

Almost surely, 21142145354 is an apocalyptic number.

1142145354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1142145354 is an abundant number, since it is smaller than the sum of its proper divisors (1478424246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142145354 is a wasteful number, since it uses less digits than its factorization.

1142145354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103674.

The product of its digits is 9600, while the sum is 30.

The square root of 1142145354 is about 33795.6410502893. The cubic root of 1142145354 is about 1045.2988176531.

Adding to 1142145354 its reverse (4535412411), we get a palindrome (5677557765).

The spelling of 1142145354 in words is "one billion, one hundred forty-two million, one hundred forty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 263 526 789 1578 1841 3682 5523 11046 103399 206798 310197 620394 723793 1447586 2171379 4342758 27193937 54387874 81581811 163163622 190357559 380715118 571072677 1142145354