Search a number
-
+
143149608 = 233272353233
BaseRepresentation
bin10001000100001…
…00101000101000
3100222100202100100
420202010220220
5243121241413
622112105400
73355515540
oct1042045050
9328322310
10143149608
1173893468
123bb35260
1323870b14
1415024320
15c879a73
hex8884a28

143149608 has 192 divisors, whose sum is σ = 473091840. Its totient is φ = 38218752.

The previous prime is 143149603. The next prime is 143149609. The reversal of 143149608 is 806941341.

143149608 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 49 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143149603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 614260 + ... + 614492.

It is an arithmetic number, because the mean of its divisors is an integer number (2464020).

Almost surely, 2143149608 is an apocalyptic number.

143149608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143149608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236545920).

143149608 is an abundant number, since it is smaller than the sum of its proper divisors (329942232).

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

143149608 is a wasteful number, since it uses less digits than its factorization.

143149608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 143149608 is about 11964.5145325667. The cubic root of 143149608 is about 523.1144551944.

The spelling of 143149608 in words is "one hundred forty-three million, one hundred forty-nine thousand, six hundred eight".