213349145 has 8 divisors (see below), whose sum is σ = 256490304. Its totient is φ = 170365104.

The previous prime is 213349139. The next prime is 213349151. The reversal of 213349145 is 541943312.

It is an interprime number because it is at equal distance from previous prime (213349139) and next prime (213349151).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213349145 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, 36269 + ... + 41738.

It is an arithmetic number, because the mean of its divisors is an integer number (32061288).

Almost surely, 2^213349145 is an apocalyptic number.

It is an amenable number.

213349145 is a deficient number, since it is larger than the sum of its proper divisors (43141159).

213349145 is an equidigital number, since it uses as much as digits as its factorization.

213349145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78559.

The product of its digits is 12960, while the sum is 32.

The square root of 213349145 is about 14606.4761321819. The cubic root of 213349145 is about 597.5353946925.

The spelling of 213349145 in words is "two hundred thirteen million, three hundred forty-nine thousand, one hundred forty-five".