145000007717 has 8 divisors (see below), whose sum is σ = 146420156760. Its totient is φ = 143582261760.

The previous prime is 145000007683. The next prime is 145000007731. The reversal of 145000007717 is 717700000541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7042734241 + 137957273476 = 83921^2 + 371426^2 .

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 145000007717 - 2⁸ = 145000007461 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 (145000007767) 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, 479384 + ... + 720977.

It is an arithmetic number, because the mean of its divisors is an integer number (18302519595).

Almost surely, 2^145000007717 is an apocalyptic number.

It is an amenable number.

145000007717 is a deficient number, since it is larger than the sum of its proper divisors (1420149043).

145000007717 is a wasteful number, since it uses less digits than its factorization.

145000007717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201543.

The product of its (nonzero) digits is 6860, while the sum is 32.

The spelling of 145000007717 in words is "one hundred forty-five billion, seven thousand, seven hundred seventeen".