145868211 has 24 divisors (see below), whose sum is σ = 224499600. Its totient is φ = 90948096.

The previous prime is 145868183. The next prime is 145868221. The reversal of 145868211 is 112868541.

145868211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145868211 - 2⁹ = 145867699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145868221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22015 + ... + 27863.

It is an arithmetic number, because the mean of its divisors is an integer number (9354150).

Almost surely, 2^145868211 is an apocalyptic number.

145868211 is a deficient number, since it is larger than the sum of its proper divisors (78631389).

145868211 is a wasteful number, since it uses less digits than its factorization.

145868211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035 (or 6032 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 145868211 is about 12077.5912747534. The cubic root of 145868211 is about 526.4052583427.

The spelling of 145868211 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, two hundred eleven".