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142554 = 23231033
BaseRepresentation
bin100010110011011010
321020112210
4202303122
514030204
63015550
71132416
oct426332
9236483
10142554
1198115
126a5b6
134cb69
1439d46
152c389
hex22cda

142554 has 16 divisors (see below), whose sum is σ = 297792. Its totient is φ = 45408.

The previous prime is 142553. The next prime is 142559. The reversal of 142554 is 455241.

142554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142554.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142554.

It is not an unprimeable number, because it can be changed into a prime (142553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (18612).

2142554 is an apocalyptic number.

142554 is an abundant number, since it is smaller than the sum of its proper divisors (155238).

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

142554 is a wasteful number, since it uses less digits than its factorization.

142554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 800, while the sum is 21.

The square root of 142554 is about 377.5632397361. The cubic root of 142554 is about 52.2387932590.

Adding to 142554 its reverse (455241), we get a palindrome (597795).

It can be divided in two parts, 142 and 554, that added together give a palindrome (696).

The spelling of 142554 in words is "one hundred forty-two thousand, five hundred fifty-four".

Divisors: 1 2 3 6 23 46 69 138 1033 2066 3099 6198 23759 47518 71277 142554