145031230234351 has 4 divisors (see below), whose sum is σ = 145920992383192. Its totient is φ = 144141468085512.

The previous prime is 145031230234327. The next prime is 145031230234361. The reversal of 145031230234351 is 153432032130541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145031230234351 - 2³¹ = 145029082750703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145031230234351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145031230234361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444881074176 + ... + 444881074501.

It is an arithmetic number, because the mean of its divisors is an integer number (36480248095798).

Almost surely, 2^{145031230234351} is an apocalyptic number.

145031230234351 is a deficient number, since it is larger than the sum of its proper divisors (889762148841).

145031230234351 is an equidigital number, since it uses as much as digits as its factorization.

145031230234351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889762148840.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 145031230234351 its reverse (153432032130541), we get a palindrome (298463262364892).

The spelling of 145031230234351 in words is "one hundred forty-five trillion, thirty-one billion, two hundred thirty million, two hundred thirty-four thousand, three hundred fifty-one".