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142454 = 2135479
BaseRepresentation
bin100010110001110110
321020102002
4202301312
514024304
63015302
71132214
oct426166
9236362
10142454
1198034
126a532
134cac0
1439cb4
152c31e
hex22c76

142454 has 8 divisors (see below), whose sum is σ = 230160. Its totient is φ = 65736.

The previous prime is 142453. The next prime is 142469. The reversal of 142454 is 454241.

142454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 1 + 43 + 46 + 217 + 55 + 46 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142454.

It is not an unprimeable number, because it can be changed into a prime (142453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2714 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (28770).

2142454 is an apocalyptic number.

142454 is a deficient number, since it is larger than the sum of its proper divisors (87706).

142454 is a wasteful number, since it uses less digits than its factorization.

142454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494.

The product of its digits is 640, while the sum is 20.

The square root of 142454 is about 377.4307883573. The cubic root of 142454 is about 52.2265754297.

Adding to 142454 its reverse (454241), we get a palindrome (596695).

The spelling of 142454 in words is "one hundred forty-two thousand, four hundred fifty-four".

Divisors: 1 2 13 26 5479 10958 71227 142454