214457645 has 8 divisors (see below), whose sum is σ = 258013080. Its totient is φ = 171123520.

The previous prime is 214457623. The next prime is 214457651. The reversal of 214457645 is 546754412.

It is a happy number.

214457645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9223369 + 205234276 = 3037^2 + 14326^2 .

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

It is not a de Polignac number, because 214457645 - 2¹² = 214453549 is a prime.

It is a super-3 number, since 3×214457645³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214457599 and 214457608.

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, 53186 + ... + 57075.

It is an arithmetic number, because the mean of its divisors is an integer number (32251635).

Almost surely, 2^214457645 is an apocalyptic number.

It is an amenable number.

214457645 is a deficient number, since it is larger than the sum of its proper divisors (43555435).

214457645 is a wasteful number, since it uses less digits than its factorization.

214457645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110655.

The product of its digits is 134400, while the sum is 38.

The square root of 214457645 is about 14644.3724686311. The cubic root of 214457645 is about 598.5684808228.

The spelling of 214457645 in words is "two hundred fourteen million, four hundred fifty-seven thousand, six hundred forty-five".