145710617 has 12 divisors (see below), whose sum is σ = 161458704. Its totient is φ = 131367600.

The previous prime is 145710547. The next prime is 145710623. The reversal of 145710617 is 716017541.

It is not a de Polignac number, because 145710617 - 2⁸ = 145710361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145710637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2759 + ... + 17292.

It is an arithmetic number, because the mean of its divisors is an integer number (13454892).

Almost surely, 2^145710617 is an apocalyptic number.

It is an amenable number.

145710617 is a deficient number, since it is larger than the sum of its proper divisors (15748087).

145710617 is a wasteful number, since it uses less digits than its factorization.

145710617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120 (or 20107 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 145710617 is about 12071.0652802476. The cubic root of 145710617 is about 526.2156163745.

The spelling of 145710617 in words is "one hundred forty-five million, seven hundred ten thousand, six hundred seventeen".