145717742073 has 8 divisors (see below), whose sum is σ = 194312383936. Its totient is φ = 97134130800.

The previous prime is 145717742059. The next prime is 145717742087. The reversal of 145717742073 is 370247717541.

It is an interprime number because it is at equal distance from previous prime (145717742059) and next prime (145717742087).

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

It is not a de Polignac number, because 145717742073 - 2⁵ = 145717742041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145717742003) 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, 2726773 + ... + 2779698.

It is an arithmetic number, because the mean of its divisors is an integer number (24289047992).

Almost surely, 2^145717742073 is an apocalyptic number.

It is an amenable number.

145717742073 is a deficient number, since it is larger than the sum of its proper divisors (48594641863).

145717742073 is an equidigital number, since it uses as much as digits as its factorization.

145717742073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515295.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 145717742073 in words is "one hundred forty-five billion, seven hundred seventeen million, seven hundred forty-two thousand, seventy-three".