146431206 has 32 divisors (see below), whose sum is σ = 325818720. Its totient is φ = 48748032.

The previous prime is 146431199. The next prime is 146431253. The reversal of 146431206 is 602134641.

146431206 is a `hidden beast` number, since 1 + 4 + 643 + 12 + 0 + 6 = 666.

It is a super-2 number, since 2×146431206² = 42884196181228872, which contains 22 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 146431206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63286 + ... + 65558.

It is an arithmetic number, because the mean of its divisors is an integer number (10181835).

Almost surely, 2^146431206 is an apocalyptic number.

146431206 is an abundant number, since it is smaller than the sum of its proper divisors (179387514).

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

146431206 is a wasteful number, since it uses less digits than its factorization.

146431206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 146431206 is about 12100.8762492639. The cubic root of 146431206 is about 527.0816292918.

Adding to 146431206 its reverse (602134641), we get a palindrome (748565847).

The spelling of 146431206 in words is "one hundred forty-six million, four hundred thirty-one thousand, two hundred six".