210145234 has 16 divisors (see below), whose sum is σ = 339780672. Its totient is φ = 96900048.

The previous prime is 210145217. The next prime is 210145289. The reversal of 210145234 is 432541012.

210145234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210145234² = 88322038745829512, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

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, 30777 + ... + 36979.

It is an arithmetic number, because the mean of its divisors is an integer number (21236292).

Almost surely, 2^210145234 is an apocalyptic number.

210145234 is a deficient number, since it is larger than the sum of its proper divisors (129635438).

210145234 is a wasteful number, since it uses less digits than its factorization.

210145234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 210145234 is about 14496.3869291627. The cubic root of 210145234 is about 594.5291890271.

Adding to 210145234 its reverse (432541012), we get a palindrome (642686246).

The spelling of 210145234 in words is "two hundred ten million, one hundred forty-five thousand, two hundred thirty-four".