145432806 has 8 divisors (see below), whose sum is σ = 290865624. Its totient is φ = 48477600.

The previous prime is 145432801. The next prime is 145432843. The reversal of 145432806 is 608234541.

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

145432806 is an admirable number.

It is a super-2 number, since 2×145432806² = 42301402122067272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145432801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12119395 + ... + 12119406.

It is an arithmetic number, because the mean of its divisors is an integer number (36358203).

Almost surely, 2^145432806 is an apocalyptic number.

145432806 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.

145432806 is a wasteful number, since it uses less digits than its factorization.

145432806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24238806.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 145432806 is about 12059.5524792589. The cubic root of 145432806 is about 525.8809770839.

The spelling of 145432806 in words is "one hundred forty-five million, four hundred thirty-two thousand, eight hundred six".