Search a number
-
+
143244253 = 2329214759
BaseRepresentation
bin10001000100110…
…11101111011101
3100222112120011201
420202123233131
5243132304003
622114115501
73356361505
oct1042335735
9328476151
10143244253
1173948589
123bb7bb91
13238a4c19
141504aa05
15c897b1d
hex889bbdd

143244253 has 8 divisors (see below), whose sum is σ = 154627200. Its totient is φ = 132290928.

The previous prime is 143244251. The next prime is 143244259. The reversal of 143244253 is 352442341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 143244253 - 21 = 143244251 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143244251) 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, 106713 + ... + 108046.

It is an arithmetic number, because the mean of its divisors is an integer number (19328400).

Almost surely, 2143244253 is an apocalyptic number.

It is an amenable number.

143244253 is a deficient number, since it is larger than the sum of its proper divisors (11382947).

143244253 is a wasteful number, since it uses less digits than its factorization.

143244253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214811.

The product of its digits is 11520, while the sum is 28.

The square root of 143244253 is about 11968.4691168085. The cubic root of 143244253 is about 523.2297174968.

Adding to 143244253 its reverse (352442341), we get a palindrome (495686594).

The spelling of 143244253 in words is "one hundred forty-three million, two hundred forty-four thousand, two hundred fifty-three".

Divisors: 1 23 29 667 214759 4939457 6228011 143244253