143047368 has 24 divisors (see below), whose sum is σ = 387420150. Its totient is φ = 47682432.

The previous prime is 143047363. The next prime is 143047381. The reversal of 143047368 is 863740341.

It can be written as a sum of positive squares in only one way, i.e., 100040004 + 43007364 = 10002^2 + 6558^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (143047363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 993313 + ... + 993456.

Almost surely, 2^143047368 is an apocalyptic number.

143047368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

143047368 is an abundant number, since it is smaller than the sum of its proper divisors (244372782).

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

143047368 is a wasteful number, since it uses less digits than its factorization.

143047368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986781 (or 1986774 counting only the distinct ones).

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

The square root of 143047368 is about 11960.2411346929. The cubic root of 143047368 is about 522.9898863125.

The spelling of 143047368 in words is "one hundred forty-three million, forty-seven thousand, three hundred sixty-eight".