143380471 has 4 divisors (see below), whose sum is σ = 154409752. Its totient is φ = 132351192.

The previous prime is 143380411. The next prime is 143380493. The reversal of 143380471 is 174083341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143380471 - 2²³ = 134991863 is a prime.

It is a super-3 number, since 3×143380471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143380411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5514621 + ... + 5514646.

It is an arithmetic number, because the mean of its divisors is an integer number (38602438).

Almost surely, 2^143380471 is an apocalyptic number.

143380471 is a deficient number, since it is larger than the sum of its proper divisors (11029281).

143380471 is a wasteful number, since it uses less digits than its factorization.

143380471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029280.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 143380471 is about 11974.1584672995. The cubic root of 143380471 is about 523.3955199023.

The spelling of 143380471 in words is "one hundred forty-three million, three hundred eighty thousand, four hundred seventy-one".