143382501 has 8 divisors (see below), whose sum is σ = 212418560. Its totient is φ = 95588316.

The previous prime is 143382497. The next prime is 143382509. The reversal of 143382501 is 105283341.

It is a happy number.

It is not a de Polignac number, because 143382501 - 2² = 143382497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5310463 = 143382501 / (1 + 4 + 3 + 3 + 8 + 2 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143382509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655205 + ... + 2655258.

It is an arithmetic number, because the mean of its divisors is an integer number (26552320).

Almost surely, 2^143382501 is an apocalyptic number.

It is an amenable number.

143382501 is a deficient number, since it is larger than the sum of its proper divisors (69036059).

143382501 is an equidigital number, since it uses as much as digits as its factorization.

143382501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310472 (or 5310466 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 143382501 is about 11974.2432328728. The cubic root of 143382501 is about 523.3979899920.

The spelling of 143382501 in words is "one hundred forty-three million, three hundred eighty-two thousand, five hundred one".