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1145232519 = 31091349903
BaseRepresentation
bin100010001000010…
…1101110010000111
32221210221211200020
41010100231302013
54321134420034
6305350150223
740244213214
oct10420556207
92853854606
101145232519
115384aa162
1227b652373
1315335a0a2
14ac154b0b
156a81d249
hex4442dc87

1145232519 has 8 divisors (see below), whose sum is σ = 1528380672. Its totient is φ = 762786360.

The previous prime is 1145232499. The next prime is 1145232577. The reversal of 1145232519 is 9152325411.

It is a happy number.

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

It is not a de Polignac number, because 1145232519 - 29 = 1145232007 is a prime.

It is a super-2 number, since 2×11452325192 = 2623115045150170722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145232519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145232019) 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 7 ways as a sum of consecutive naturals, for example, 171679 + ... + 178224.

It is an arithmetic number, because the mean of its divisors is an integer number (191047584).

Almost surely, 21145232519 is an apocalyptic number.

1145232519 is a deficient number, since it is larger than the sum of its proper divisors (383148153).

1145232519 is a wasteful number, since it uses less digits than its factorization.

1145232519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350997.

The product of its digits is 10800, while the sum is 33.

The square root of 1145232519 is about 33841.2842398157. The cubic root of 1145232519 is about 1046.2397681740.

The spelling of 1145232519 in words is "one billion, one hundred forty-five million, two hundred thirty-two thousand, five hundred nineteen".

Divisors: 1 3 1091 3273 349903 1049709 381744173 1145232519