145905086 has 8 divisors (see below), whose sum is σ = 220123224. Its totient is φ = 72530680.

The previous prime is 145905073. The next prime is 145905113. The reversal of 145905086 is 680509541.

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

It is a Curzon 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, 210500 + ... + 211191.

It is an arithmetic number, because the mean of its divisors is an integer number (27515403).

Almost surely, 2^145905086 is an apocalyptic number.

145905086 is a deficient number, since it is larger than the sum of its proper divisors (74218138).

145905086 is a wasteful number, since it uses less digits than its factorization.

145905086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421866.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 145905086 is about 12079.1177657973. The cubic root of 145905086 is about 526.4496124399.

The spelling of 145905086 in words is "one hundred forty-five million, nine hundred five thousand, eighty-six".