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143387064 = 23331275227
BaseRepresentation
bin10001000101111…
…10100110111000
3100222210211002000
420202332212320
5243201341224
622121141000
73360525042
oct1042764670
9328724060
10143387064
1173a35907
124002a760
1323924c22
1415086a92
15c8c50c9
hex88be9b8

143387064 has 64 divisors (see below), whose sum is σ = 401510400. Its totient is φ = 47410272.

The previous prime is 143387063. The next prime is 143387081. The reversal of 143387064 is 460783341.

143387064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (143387063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24819 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (6273600).

Almost surely, 2143387064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143387064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200755200).

143387064 is an abundant number, since it is smaller than the sum of its proper divisors (258123336).

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

143387064 is a wasteful number, since it uses less digits than its factorization.

143387064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369 (or 5359 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 143387064 is about 11974.4337653185. The cubic root of 143387064 is about 523.4035421333.

The spelling of 143387064 in words is "one hundred forty-three million, three hundred eighty-seven thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 127 216 254 381 508 762 1016 1143 1524 2286 3048 3429 4572 5227 6858 9144 10454 13716 15681 20908 27432 31362 41816 47043 62724 94086 125448 141129 188172 282258 376344 564516 663829 1129032 1327658 1991487 2655316 3982974 5310632 5974461 7965948 11948922 15931896 17923383 23897844 35846766 47795688 71693532 143387064