145143160771 has 4 divisors (see below), whose sum is σ = 165877898032. Its totient is φ = 124408423512.

The previous prime is 145143160769. The next prime is 145143160781. The reversal of 145143160771 is 177061341541.

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 145143160771 - 2¹ = 145143160769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145143160751) 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, 10367368620 + ... + 10367368633.

It is an arithmetic number, because the mean of its divisors is an integer number (41469474508).

Almost surely, 2^145143160771 is an apocalyptic number.

145143160771 is a deficient number, since it is larger than the sum of its proper divisors (20734737261).

145143160771 is an equidigital number, since it uses as much as digits as its factorization.

145143160771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734737260.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 145143160771 in words is "one hundred forty-five billion, one hundred forty-three million, one hundred sixty thousand, seven hundred seventy-one".