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145513782 = 2328084099
BaseRepresentation
bin10001010110001…
…01110100110110
3101010210212101100
420223011310312
5244222420112
622234510530
73414563301
oct1053056466
9333725340
10145513782
1175158727
1240895446
13241bac3b
141547bb38
15cb952dc
hex8ac5d36

145513782 has 12 divisors (see below), whose sum is σ = 315279900. Its totient is φ = 48504588.

The previous prime is 145513769. The next prime is 145513787. The reversal of 145513782 is 287315541.

145513782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145513787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4042032 + ... + 4042067.

It is an arithmetic number, because the mean of its divisors is an integer number (26273325).

Almost surely, 2145513782 is an apocalyptic number.

145513782 is an abundant number, since it is smaller than the sum of its proper divisors (169766118).

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

145513782 is a wasteful number, since it uses less digits than its factorization.

145513782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084107 (or 8084104 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 145513782 is about 12062.9093505671. The cubic root of 145513782 is about 525.9785612952.

The spelling of 145513782 in words is "one hundred forty-five million, five hundred thirteen thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 9 18 8084099 16168198 24252297 48504594 72756891 145513782