145643379389 has 8 divisors (see below), whose sum is σ = 151994477760. Its totient is φ = 139293845856.

The previous prime is 145643379383. The next prime is 145643379433. The reversal of 145643379389 is 983973346541.

145643379389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145643379389 - 2¹⁶ = 145643313853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145643379383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198992 + ... + 575225.

It is an arithmetic number, because the mean of its divisors is an integer number (18999309720).

Almost surely, 2^145643379389 is an apocalyptic number.

It is an amenable number.

145643379389 is a deficient number, since it is larger than the sum of its proper divisors (6351098371).

145643379389 is an equidigital number, since it uses as much as digits as its factorization.

145643379389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782419.

The product of its digits is 58786560, while the sum is 62.

The spelling of 145643379389 in words is "one hundred forty-five billion, six hundred forty-three million, three hundred seventy-nine thousand, three hundred eighty-nine".