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1145845692 = 2232191675213
BaseRepresentation
bin100010001001100…
…0011011110111100
32221212002222210100
41010103003132330
54321314030232
6305411241100
740252345665
oct10423033674
92855088710
101145845692
11538888912
1227b8a9190
13153513204
14ac27436c
156a8dec7c
hex444c37bc

1145845692 has 36 divisors (see below), whose sum is σ = 3048889480. Its totient is φ = 361845792.

The previous prime is 1145845691. The next prime is 1145845699. The reversal of 1145845692 is 2965485411.

1145845692 = T10973 + T10974 + ... + T10991.

1145845692 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 84 + 569 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145845691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836923 + ... + 838290.

Almost surely, 21145845692 is an apocalyptic number.

1145845692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145845692 is an abundant number, since it is smaller than the sum of its proper divisors (1903043788).

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

1145845692 is a wasteful number, since it uses less digits than its factorization.

1145845692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675242 (or 1675237 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1145845692 is about 33850.3425684291. The cubic root of 1145845692 is about 1046.4264585060.

The spelling of 1145845692 in words is "one billion, one hundred forty-five million, eight hundred forty-five thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 1675213 3350426 5025639 6700852 10051278 15076917 20102556 30153834 31829047 60307668 63658094 95487141 127316188 190974282 286461423 381948564 572922846 1145845692