145836317 has 8 divisors (see below), whose sum is σ = 159248640. Its totient is φ = 132449760.

The previous prime is 145836293. The next prime is 145836323. The reversal of 145836317 is 713638541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145836317 is a prime.

It is a super-3 number, since 3×145836317³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145836017) 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, 6548 + ... + 18290.

It is an arithmetic number, because the mean of its divisors is an integer number (19906080).

Almost surely, 2^145836317 is an apocalyptic number.

It is an amenable number.

145836317 is a deficient number, since it is larger than the sum of its proper divisors (13412323).

145836317 is a wasteful number, since it uses less digits than its factorization.

145836317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12883.

The product of its digits is 60480, while the sum is 38.

The square root of 145836317 is about 12076.2708233958. The cubic root of 145836317 is about 526.3668894777.

The spelling of 145836317 in words is "one hundred forty-five million, eight hundred thirty-six thousand, three hundred seventeen".