213325145 has 16 divisors (see below), whose sum is σ = 280530432. Its totient is φ = 154440960.

The previous prime is 213325127. The next prime is 213325153. The reversal of 213325145 is 541523312.

It is a happy number.

It is not a de Polignac number, because 213325145 - 2⁶ = 213325081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3569 + ... + 20961.

It is an arithmetic number, because the mean of its divisors is an integer number (17533152).

Almost surely, 2^213325145 is an apocalyptic number.

It is an amenable number.

213325145 is a deficient number, since it is larger than the sum of its proper divisors (67205287).

213325145 is a wasteful number, since it uses less digits than its factorization.

213325145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17632.

The product of its digits is 3600, while the sum is 26.

The square root of 213325145 is about 14605.6545556849. The cubic root of 213325145 is about 597.5129879357.

Adding to 213325145 its reverse (541523312), we get a palindrome (754848457).

The spelling of 213325145 in words is "two hundred thirteen million, three hundred twenty-five thousand, one hundred forty-five".