214145252 has 12 divisors (see below), whose sum is σ = 375159036. Its totient is φ = 106956960.

The previous prime is 214145227. The next prime is 214145291. The reversal of 214145252 is 252541412.

It can be written as a sum of positive squares in 2 ways, for example, as 77862976 + 136282276 = 8824^2 + 11674^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24683 + ... + 32210.

It is an arithmetic number, because the mean of its divisors is an integer number (31263253).

Almost surely, 2^214145252 is an apocalyptic number.

It is an amenable number.

214145252 is a deficient number, since it is larger than the sum of its proper divisors (161013784).

214145252 is a wasteful number, since it uses less digits than its factorization.

214145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57838 (or 57836 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 214145252 is about 14633.7026073376. The cubic root of 214145252 is about 598.2777016183.

Adding to 214145252 its reverse (252541412), we get a palindrome (466686664).

The spelling of 214145252 in words is "two hundred fourteen million, one hundred forty-five thousand, two hundred fifty-two".