145214211 has 8 divisors (see below), whose sum is σ = 193680720. Its totient is φ = 96778592.

The previous prime is 145214189. The next prime is 145214219. The reversal of 145214211 is 112412541.

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 145214211 - 2⁹ = 145213699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145214219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7585 + ... + 18653.

It is an arithmetic number, because the mean of its divisors is an integer number (24210090).

Almost surely, 2^145214211 is an apocalyptic number.

145214211 is a deficient number, since it is larger than the sum of its proper divisors (48466509).

145214211 is a wasteful number, since it uses less digits than its factorization.

145214211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15445.

The product of its digits is 320, while the sum is 21.

The square root of 145214211 is about 12050.4859238124. The cubic root of 145214211 is about 525.6173671543.

Adding to 145214211 its reverse (112412541), we get a palindrome (257626752).

The spelling of 145214211 in words is "one hundred forty-five million, two hundred fourteen thousand, two hundred eleven".