380142545443 has 4 divisors (see below), whose sum is σ = 380227726368. Its totient is φ = 380057364520.

The previous prime is 380142545407. The next prime is 380142545449. The reversal of 380142545443 is 344545241083.

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 380142545443 - 2⁹ = 380142544931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380142545443.

It is not an unprimeable number, because it can be changed into a prime (380142545449) 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, 42583768 + ... + 42592693.

It is an arithmetic number, because the mean of its divisors is an integer number (95056931592).

Almost surely, 2^380142545443 is an apocalyptic number.

380142545443 is a deficient number, since it is larger than the sum of its proper divisors (85180925).

380142545443 is an equidigital number, since it uses as much as digits as its factorization.

380142545443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85180924.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 380142545443 in words is "three hundred eighty billion, one hundred forty-two million, five hundred forty-five thousand, four hundred forty-three".