145565678 has 8 divisors (see below), whose sum is σ = 218418672. Its totient is φ = 72759456.

The previous prime is 145565663. The next prime is 145565681. The reversal of 145565678 is 876565541.

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

It is a super-3 number, since 3×145565678³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2450 + ... + 17237.

It is an arithmetic number, because the mean of its divisors is an integer number (27302334).

Almost surely, 2^145565678 is an apocalyptic number.

145565678 is a deficient number, since it is larger than the sum of its proper divisors (72852994).

145565678 is a wasteful number, since it uses less digits than its factorization.

145565678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23386.

The product of its digits is 1008000, while the sum is 47.

The square root of 145565678 is about 12065.0602153491. The cubic root of 145565678 is about 526.0410821523.

The spelling of 145565678 in words is "one hundred forty-five million, five hundred sixty-five thousand, six hundred seventy-eight".