145891714 has 8 divisors (see below), whose sum is σ = 228352320. Its totient is φ = 69774276.

The previous prime is 145891667. The next prime is 145891769. The reversal of 145891714 is 417198541.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585734 + ... + 1585825.

It is an arithmetic number, because the mean of its divisors is an integer number (28544040).

Almost surely, 2^145891714 is an apocalyptic number.

145891714 is a deficient number, since it is larger than the sum of its proper divisors (82460606).

145891714 is a wasteful number, since it uses less digits than its factorization.

145891714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171584.

The product of its digits is 40320, while the sum is 40.

The square root of 145891714 is about 12078.5642358684. The cubic root of 145891714 is about 526.4335291548.

The spelling of 145891714 in words is "one hundred forty-five million, eight hundred ninety-one thousand, seven hundred fourteen".