145513206 has 16 divisors (see below), whose sum is σ = 323362800. Its totient is φ = 48504384.

The previous prime is 145513189. The next prime is 145513211. The reversal of 145513206 is 602315541.

145513206 is a `hidden beast` number, since 1 + 455 + 1 + 3 + 206 = 666.

It is a super-3 number, since 3×145513206³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 145513206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347291 + ... + 1347398.

It is an arithmetic number, because the mean of its divisors is an integer number (20210175).

Almost surely, 2^145513206 is an apocalyptic number.

145513206 is an abundant number, since it is smaller than the sum of its proper divisors (177849594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145513206 is a wasteful number, since it uses less digits than its factorization.

145513206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694700 (or 2694694 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 145513206 is about 12062.8854757061. The cubic root of 145513206 is about 525.9778672852.

Adding to 145513206 its reverse (602315541), we get a palindrome (747828747).

The spelling of 145513206 in words is "one hundred forty-five million, five hundred thirteen thousand, two hundred six".