145945886 has 8 divisors (see below), whose sum is σ = 219187944. Its totient is φ = 72883240.

The previous prime is 145945873. The next prime is 145945903. The reversal of 145945886 is 688549541.

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, 42800 + ... + 46083.

It is an arithmetic number, because the mean of its divisors is an integer number (27398493).

Almost surely, 2^145945886 is an apocalyptic number.

145945886 is a deficient number, since it is larger than the sum of its proper divisors (73242058).

145945886 is an equidigital number, since it uses as much as digits as its factorization.

145945886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89706.

The product of its digits is 1382400, while the sum is 50.

The square root of 145945886 is about 12080.8065128120. The cubic root of 145945886 is about 526.4986789095.

The spelling of 145945886 in words is "one hundred forty-five million, nine hundred forty-five thousand, eight hundred eighty-six".