145035450231 has 32 divisors (see below), whose sum is σ = 233460541440. Its totient is φ = 78237931104.

The previous prime is 145035450227. The next prime is 145035450233. The reversal of 145035450231 is 132054530541.

It is not a de Polignac number, because 145035450231 - 2² = 145035450227 is a prime.

It is a super-2 number, since 2×145035450231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145035450192 and 145035450201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145035450233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529305 + ... + 755138.

It is an arithmetic number, because the mean of its divisors is an integer number (7295641920).

Almost surely, 2^145035450231 is an apocalyptic number.

145035450231 is a deficient number, since it is larger than the sum of its proper divisors (88425091209).

145035450231 is a wasteful number, since it uses less digits than its factorization.

145035450231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284755.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 145035450231 its reverse (132054530541), we get a palindrome (277089980772).

The spelling of 145035450231 in words is "one hundred forty-five billion, thirty-five million, four hundred fifty thousand, two hundred thirty-one".