145668210 has 32 divisors (see below), whose sum is σ = 351760320. Its totient is φ = 38605248.

The previous prime is 145668197. The next prime is 145668217. The reversal of 145668210 is 12866541.

145668210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145668217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10005 + ... + 19784.

It is an arithmetic number, because the mean of its divisors is an integer number (10992510).

Almost surely, 2^145668210 is an apocalyptic number.

145668210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145668210 is an abundant number, since it is smaller than the sum of its proper divisors (206092110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145668210 is a wasteful number, since it uses less digits than its factorization.

145668210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 145668210 is about 12069.3085966015. The cubic root of 145668210 is about 526.1645622342.

The spelling of 145668210 in words is "one hundred forty-five million, six hundred sixty-eight thousand, two hundred ten".