145595806 has 4 divisors (see below), whose sum is σ = 218393712. Its totient is φ = 72797902.

The previous prime is 145595783. The next prime is 145595833. The reversal of 145595806 is 608595541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608595541 = 3631 ⋅167611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36398950 + ... + 36398953.

It is an arithmetic number, because the mean of its divisors is an integer number (54598428).

Almost surely, 2^145595806 is an apocalyptic number.

145595806 is a deficient number, since it is larger than the sum of its proper divisors (72797906).

145595806 is an equidigital number, since it uses as much as digits as its factorization.

145595806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72797905.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 145595806 is about 12066.3087147644. The cubic root of 145595806 is about 526.0773715502.

The spelling of 145595806 in words is "one hundred forty-five million, five hundred ninety-five thousand, eight hundred six".