145314230331 has 4 divisors (see below), whose sum is σ = 193752307112. Its totient is φ = 96876153552.

The previous prime is 145314230291. The next prime is 145314230387. The reversal of 145314230331 is 133032413541.

It is a happy number.

145314230331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145314230331 - 2⁶ = 145314230267 is a prime.

It is a super-2 number, since 2×145314230331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145314250331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24219038386 + ... + 24219038391.

It is an arithmetic number, because the mean of its divisors is an integer number (48438076778).

Almost surely, 2^145314230331 is an apocalyptic number.

145314230331 is a deficient number, since it is larger than the sum of its proper divisors (48438076781).

145314230331 is an equidigital number, since it uses as much as digits as its factorization.

145314230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48438076780.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 145314230331 its reverse (133032413541), we get a palindrome (278346643872).

The spelling of 145314230331 in words is "one hundred forty-five billion, three hundred fourteen million, two hundred thirty thousand, three hundred thirty-one".