145038211 has 2 divisors, whose sum is σ = 145038212. Its totient is φ = 145038210.

The previous prime is 145038209. The next prime is 145038217. The reversal of 145038211 is 112830541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145038211 - 2¹ = 145038209 is a prime.

Together with 145038209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145038217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72519105 + 72519106.

It is an arithmetic number, because the mean of its divisors is an integer number (72519106).

Almost surely, 2^145038211 is an apocalyptic number.

145038211 is a deficient number, since it is larger than the sum of its proper divisors (1).

145038211 is an equidigital number, since it uses as much as digits as its factorization.

145038211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 145038211 is about 12043.1810996929. The cubic root of 145038211 is about 525.4049314367.

Adding to 145038211 its reverse (112830541), we get a palindrome (257868752).

The spelling of 145038211 in words is "one hundred forty-five million, thirty-eight thousand, two hundred eleven".