214451345 has 8 divisors (see below), whose sum is σ = 272479464. Its totient is φ = 161469184.

The previous prime is 214451329. The next prime is 214451353. The reversal of 214451345 is 543154412.

It can be written as a sum of positive squares in 4 ways, for example, as 29246464 + 185204881 = 5408^2 + 13609^2 .

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 214451345 - 2⁴ = 214451329 is a prime.

It is a Duffinian 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, 1261394 + ... + 1261563.

It is an arithmetic number, because the mean of its divisors is an integer number (34059933).

Almost surely, 2^214451345 is an apocalyptic number.

It is an amenable number.

214451345 is a deficient number, since it is larger than the sum of its proper divisors (58028119).

214451345 is a wasteful number, since it uses less digits than its factorization.

214451345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522979.

The product of its digits is 9600, while the sum is 29.

The square root of 214451345 is about 14644.1573673599. The cubic root of 214451345 is about 598.5626194971.

The spelling of 214451345 in words is "two hundred fourteen million, four hundred fifty-one thousand, three hundred forty-five".