145285211 has 2 divisors, whose sum is σ = 145285212. Its totient is φ = 145285210.

The previous prime is 145285193. The next prime is 145285219. The reversal of 145285211 is 112582541.

It is a strong prime.

It is an emirp because it is prime and its reverse (112582541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145285211 - 2²² = 141090907 is a prime.

It is a super-2 number, since 2×145285211² = 42215585070629042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145285219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72642605 + 72642606.

It is an arithmetic number, because the mean of its divisors is an integer number (72642606).

Almost surely, 2^145285211 is an apocalyptic number.

145285211 is a deficient number, since it is larger than the sum of its proper divisors (1).

145285211 is an equidigital number, since it uses as much as digits as its factorization.

145285211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 29.

The square root of 145285211 is about 12053.4315031032. The cubic root of 145285211 is about 525.7030170650.

The spelling of 145285211 in words is "one hundred forty-five million, two hundred eighty-five thousand, two hundred eleven".