145430206 has 8 divisors (see below), whose sum is σ = 230977440. Its totient is φ = 68437728.

The previous prime is 145430191. The next prime is 145430293. The reversal of 145430206 is 602034541.

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

It is a super-2 number, since 2×145430206² = 42299889634404872, which contains 22 as substring.

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, 2138646 + ... + 2138713.

It is an arithmetic number, because the mean of its divisors is an integer number (28872180).

Almost surely, 2^145430206 is an apocalyptic number.

145430206 is a deficient number, since it is larger than the sum of its proper divisors (85547234).

145430206 is a wasteful number, since it uses less digits than its factorization.

145430206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277378.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 145430206 is about 12059.4446804154. Note that the first 3 decimals coincide. The cubic root of 145430206 is about 525.8778432227.

Adding to 145430206 its reverse (602034541), we get a palindrome (747464747).

The spelling of 145430206 in words is "one hundred forty-five million, four hundred thirty thousand, two hundred six".