145595386 has 4 divisors (see below), whose sum is σ = 218393082. Its totient is φ = 72797692.

The previous prime is 145595357. The next prime is 145595413. The reversal of 145595386 is 683595541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121771225 + 23824161 = 11035^2 + 4881^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36398845 + ... + 36398848.

Almost surely, 2^145595386 is an apocalyptic number.

145595386 is a deficient number, since it is larger than the sum of its proper divisors (72797696).

145595386 is an equidigital number, since it uses as much as digits as its factorization.

145595386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72797695.

The product of its digits is 648000, while the sum is 46.

The square root of 145595386 is about 12066.2913109207. The cubic root of 145595386 is about 526.0768656915.

The spelling of 145595386 in words is "one hundred forty-five million, five hundred ninety-five thousand, three hundred eighty-six".