145300311 has 40 divisors (see below), whose sum is σ = 239260560. Its totient is φ = 87308928.

The previous prime is 145300301. The next prime is 145300313. The reversal of 145300311 is 113003541.

145300311 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 145300311 - 2⁶ = 145300247 is a prime.

It is a super-2 number, since 2×145300311² = 42224360753393442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145300313) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43675 + ... + 46883.

It is an arithmetic number, because the mean of its divisors is an integer number (5981514).

Almost surely, 2^145300311 is an apocalyptic number.

145300311 is a deficient number, since it is larger than the sum of its proper divisors (93960249).

145300311 is a wasteful number, since it uses less digits than its factorization.

145300311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 145300311 is about 12054.0578644704. The cubic root of 145300311 is about 525.7212291516.

Adding to 145300311 its reverse (113003541), we get a palindrome (258303852).

The spelling of 145300311 in words is "one hundred forty-five million, three hundred thousand, three hundred eleven".