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143800468 = 2275135731
BaseRepresentation
bin10001001001000…
…11100010010100
3101000120211011021
420210203202110
5243303103333
622134050524
73364166230
oct1044434224
9330524137
10143800468
1174198469
12401a9a44
1323a3b146
14151535c0
15c95782d
hex8923894

143800468 has 12 divisors (see below), whose sum is σ = 287600992. Its totient is φ = 61628760.

The previous prime is 143800441. The next prime is 143800487. The reversal of 143800468 is 864008341.

143800468 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567838 + ... + 2567893.

Almost surely, 2143800468 is an apocalyptic number.

It is an amenable number.

143800468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143800468 is a wasteful number, since it uses less digits than its factorization.

143800468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135742 (or 5135740 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 143800468 is about 11991.6832846769. The cubic root of 143800468 is about 523.9060735247.

The spelling of 143800468 in words is "one hundred forty-three million, eight hundred thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 5135731 10271462 20542924 35950117 71900234 143800468