214451245 has 8 divisors (see below), whose sum is σ = 258648984. Its totient is φ = 170689344.

The previous prime is 214451239. The next prime is 214451249. The reversal of 214451245 is 542154412.

It can be written as a sum of positive squares in 4 ways, for example, as 31741956 + 182709289 = 5634^2 + 13517^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 214451245 - 2⁷ = 214451117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214451249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107874 + ... + 109843.

It is an arithmetic number, because the mean of its divisors is an integer number (32331123).

Almost surely, 2^214451245 is an apocalyptic number.

It is an amenable number.

214451245 is a deficient number, since it is larger than the sum of its proper divisors (44197739).

214451245 is a wasteful number, since it uses less digits than its factorization.

214451245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217919.

The product of its digits is 6400, while the sum is 28.

The square root of 214451245 is about 14644.1539530285. The cubic root of 214451245 is about 598.5625264592.

The spelling of 214451245 in words is "two hundred fourteen million, four hundred fifty-one thousand, two hundred forty-five".