Search a number
-
+
143054 = 271527
BaseRepresentation
bin100010111011001110
321021020022
4202323032
514034204
63022142
71134032
oct427316
9237208
10143054
119852a
126a952
1350162
143a1c2
152c5be
hex22ece

143054 has 4 divisors (see below), whose sum is σ = 214584. Its totient is φ = 71526.

The previous prime is 143053. The next prime is 143063. The reversal of 143054 is 450341.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35762 + ... + 35765.

It is an arithmetic number, because the mean of its divisors is an integer number (53646).

2143054 is an apocalyptic number.

143054 is a deficient number, since it is larger than the sum of its proper divisors (71530).

143054 is an equidigital number, since it uses as much as digits as its factorization.

143054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71529.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 143054 is about 378.2248008791. The cubic root of 143054 is about 52.2997968520.

Adding to 143054 its reverse (450341), we get a palindrome (593395).

The spelling of 143054 in words is "one hundred forty-three thousand, fifty-four".

Divisors: 1 2 71527 143054