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1145005463 = 72919129531
BaseRepresentation
bin100010000111111…
…0110010110010111
32221210112022012202
41010033312112113
54321110133323
6305341235115
740242246230
oct10417662627
92853468182
101145005463
11538364608
1227b562a9b
131532aa934
14ac0d6087
156a7c5d28
hex443f6597

1145005463 has 16 divisors (see below), whose sum is σ = 1360834560. Its totient is φ = 942597600.

The previous prime is 1145005453. The next prime is 1145005487. The reversal of 1145005463 is 3645005411.

It is a happy number.

It is not a de Polignac number, because 1145005463 - 28 = 1145005207 is a prime.

It is a super-2 number, since 2×11450054632 = 2622075020599688738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145005423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24008 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (85052160).

Almost surely, 21145005463 is an apocalyptic number.

1145005463 is a deficient number, since it is larger than the sum of its proper divisors (215829097).

1145005463 is a wasteful number, since it uses less digits than its factorization.

1145005463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29758.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1145005463 is about 33837.9293544980. The cubic root of 1145005463 is about 1046.1706204350.

The spelling of 1145005463 in words is "one billion, one hundred forty-five million, five thousand, four hundred sixty-three".

Divisors: 1 7 29 191 203 1337 5539 29531 38773 206717 856399 5640421 5994793 39482947 163572209 1145005463