145355211 has 12 divisors (see below), whose sum is σ = 210073240. Its totient is φ = 96850080.

The previous prime is 145355201. The next prime is 145355233. The reversal of 145355211 is 112553541.

It is not a de Polignac number, because 145355211 - 2¹¹ = 145353163 is a prime.

It is a super-2 number, since 2×145355211² = 42256274729709042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145355201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19671 + ... + 26031.

Almost surely, 2^145355211 is an apocalyptic number.

145355211 is a deficient number, since it is larger than the sum of its proper divisors (64718029).

145355211 is a wasteful number, since it uses less digits than its factorization.

145355211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906 (or 8903 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 145355211 is about 12056.3348908364. The cubic root of 145355211 is about 525.7874333255.

The spelling of 145355211 in words is "one hundred forty-five million, three hundred fifty-five thousand, two hundred eleven".