145140206 has 16 divisors (see below), whose sum is σ = 221206128. Its totient is φ = 71409600.

The previous prime is 145140199. The next prime is 145140209. The reversal of 145140206 is 602041541.

145140206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145140209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82496 + ... + 84236.

It is an arithmetic number, because the mean of its divisors is an integer number (13825383).

Almost surely, 2^145140206 is an apocalyptic number.

145140206 is a deficient number, since it is larger than the sum of its proper divisors (76065922).

145140206 is a wasteful number, since it uses less digits than its factorization.

145140206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145140206 is about 12047.4149094318. The cubic root of 145140206 is about 525.5280624811.

Adding to 145140206 its reverse (602041541), we get a palindrome (747181747).

The spelling of 145140206 in words is "one hundred forty-five million, one hundred forty thousand, two hundred six".