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1151442145 = 57317114947
BaseRepresentation
bin100010010100001…
…1001110011100001
32222020122022200101
41010220121303201
54324232122040
6310131222401
740351045120
oct10450316341
92866568611
101151442145
11540a60587
12281747a01
13154722619
14acccdab7
156b14809a
hex44a19ce1

1151442145 has 32 divisors (see below), whose sum is σ = 1653129216. Its totient is φ = 753278400.

The previous prime is 1151442139. The next prime is 1151442209. The reversal of 1151442145 is 5412441511.

It is a de Polignac number, because none of the positive numbers 2k-1151442145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 69562 + ... + 84508.

It is an arithmetic number, because the mean of its divisors is an integer number (51660288).

Almost surely, 21151442145 is an apocalyptic number.

It is an amenable number.

1151442145 is a deficient number, since it is larger than the sum of its proper divisors (501687071).

1151442145 is a wasteful number, since it uses less digits than its factorization.

1151442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061.

The product of its digits is 3200, while the sum is 28.

The square root of 1151442145 is about 33932.9065215463. The cubic root of 1151442145 is about 1048.1273181299.

Adding to 1151442145 its reverse (5412441511), we get a palindrome (6563883656).

The spelling of 1151442145 in words is "one billion, one hundred fifty-one million, four hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 7 31 35 71 155 217 355 497 1085 2201 2485 11005 14947 15407 74735 77035 104629 463357 523145 1061237 2316785 3243499 5306185 7428659 16217495 32898347 37143295 164491735 230288429 1151442145