145231422115 has 32 divisors (see below), whose sum is σ = 188280005760. Its totient is φ = 106907544576.

The previous prime is 145231422109. The next prime is 145231422163. The reversal of 145231422115 is 511224132541.

It is a cyclic number.

It is not a de Polignac number, because 145231422115 - 2³ = 145231422107 is a prime.

It is a super-2 number, since 2×145231422115² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55156839 + ... + 55159471.

It is an arithmetic number, because the mean of its divisors is an integer number (5883750180).

Almost surely, 2^145231422115 is an apocalyptic number.

145231422115 is a deficient number, since it is larger than the sum of its proper divisors (43048583645).

145231422115 is a wasteful number, since it uses less digits than its factorization.

145231422115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023.

The product of its digits is 9600, while the sum is 31.

Adding to 145231422115 its reverse (511224132541), we get a palindrome (656455554656).

The spelling of 145231422115 in words is "one hundred forty-five billion, two hundred thirty-one million, four hundred twenty-two thousand, one hundred fifteen".