145671117 has 8 divisors (see below), whose sum is σ = 194284224. Its totient is φ = 97086048.

The previous prime is 145671107. The next prime is 145671133. The reversal of 145671117 is 711176541.

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

It is not a de Polignac number, because 145671117 - 2²² = 141476813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145671107) 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, 14913 + ... + 22665.

It is an arithmetic number, because the mean of its divisors is an integer number (24285528).

Almost surely, 2^145671117 is an apocalyptic number.

It is an amenable number.

145671117 is a deficient number, since it is larger than the sum of its proper divisors (48613107).

145671117 is an equidigital number, since it uses as much as digits as its factorization.

145671117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14019.

The product of its digits is 5880, while the sum is 33.

The square root of 145671117 is about 12069.4290254345. The cubic root of 145671117 is about 526.1680623120.

The spelling of 145671117 in words is "one hundred forty-five million, six hundred seventy-one thousand, one hundred seventeen".