145021873009 has 8 divisors (see below), whose sum is σ = 156181108160. Its totient is φ = 133863167376.

The previous prime is 145021872917. The next prime is 145021873013. The reversal of 145021873009 is 900378120541.

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 145021873009 - 2⁹ = 145021872497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145021873039) 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, 577444 + ... + 789610.

It is an arithmetic number, because the mean of its divisors is an integer number (19522638520).

Almost surely, 2^145021873009 is an apocalyptic number.

It is an amenable number.

145021873009 is a deficient number, since it is larger than the sum of its proper divisors (11159235151).

145021873009 is a wasteful number, since it uses less digits than its factorization.

145021873009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264759.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 145021873009 in words is "one hundred forty-five billion, twenty-one million, eight hundred seventy-three thousand, nine".