145830311 has 8 divisors (see below), whose sum is σ = 159177744. Its totient is φ = 132497920.

The previous prime is 145830277. The next prime is 145830341. The reversal of 145830311 is 113038541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145830311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145830341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28871 + ... + 33543.

It is an arithmetic number, because the mean of its divisors is an integer number (19897218).

Almost surely, 2^145830311 is an apocalyptic number.

145830311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145830311 is a deficient number, since it is larger than the sum of its proper divisors (13347433).

145830311 is a wasteful number, since it uses less digits than its factorization.

145830311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 145830311 is about 12076.0221513543. The cubic root of 145830311 is about 526.3596635616.

Adding to 145830311 its reverse (113038541), we get a palindrome (258868852).

The spelling of 145830311 in words is "one hundred forty-five million, eight hundred thirty thousand, three hundred eleven".