145666614 has 8 divisors (see below), whose sum is σ = 291333240. Its totient is φ = 48555536.

The previous prime is 145666603. The next prime is 145666621. The reversal of 145666614 is 416666541.

It is a happy number.

145666614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

145666614 is an admirable number.

It is a congruent number.

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, 12138879 + ... + 12138890.

It is an arithmetic number, because the mean of its divisors is an integer number (36416655).

Almost surely, 2^145666614 is an apocalyptic number.

145666614 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145666614 is a wasteful number, since it uses less digits than its factorization.

145666614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24277774.

The product of its digits is 103680, while the sum is 39.

The square root of 145666614 is about 12069.2424783000. The cubic root of 145666614 is about 526.1626406031.

The spelling of 145666614 in words is "one hundred forty-five million, six hundred sixty-six thousand, six hundred fourteen".