214432145 has 8 divisors (see below), whose sum is σ = 258453504. Its totient is φ = 170789104.

The previous prime is 214432139. The next prime is 214432147. The reversal of 214432145 is 541234412.

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 214432145 - 2⁴ = 214432129 is a prime.

It is a super-2 number, since 2×214432145² = 91962289618602050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214432147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93329 + ... + 95598.

It is an arithmetic number, because the mean of its divisors is an integer number (32306688).

Almost surely, 2^214432145 is an apocalyptic number.

It is an amenable number.

214432145 is a deficient number, since it is larger than the sum of its proper divisors (44021359).

214432145 is a wasteful number, since it uses less digits than its factorization.

214432145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189159.

The product of its digits is 3840, while the sum is 26.

The square root of 214432145 is about 14643.5018011403. The cubic root of 214432145 is about 598.5447557010.

Adding to 214432145 its reverse (541234412), we get a palindrome (755666557).

The spelling of 214432145 in words is "two hundred fourteen million, four hundred thirty-two thousand, one hundred forty-five".