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145827 = 3311491
BaseRepresentation
bin100011100110100011
321102001000
4203212203
514131302
63043043
71145103
oct434643
9242030
10145827
119a620
1270483
13514b6
143b203
152d31c
hex239a3

145827 has 16 divisors (see below), whose sum is σ = 236160. Its totient is φ = 88200.

The previous prime is 145823. The next prime is 145829. The reversal of 145827 is 728541.

145827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145827 - 22 = 145823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 145827.

It is not an unprimeable number, because it can be changed into a prime (145823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52 + ... + 542.

It is an arithmetic number, because the mean of its divisors is an integer number (14760).

2145827 is an apocalyptic number.

145827 is a deficient number, since it is larger than the sum of its proper divisors (90333).

145827 is a wasteful number, since it uses less digits than its factorization.

145827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 505 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 145827 is about 381.8730155431. The cubic root of 145827 is about 52.6355679959.

It can be divided in two parts, 1458 and 27, that added together give a triangular number (1485 = T54).

The spelling of 145827 in words is "one hundred forty-five thousand, eight hundred twenty-seven".

Divisors: 1 3 9 11 27 33 99 297 491 1473 4419 5401 13257 16203 48609 145827