145234056422 has 32 divisors (see below), whose sum is σ = 276773597184. Its totient is φ = 55601834400.

The previous prime is 145234056397. The next prime is 145234056437. The reversal of 145234056422 is 224650432541.

It is a super-2 number, since 2×145234056422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12865154 + ... + 12876437.

It is an arithmetic number, because the mean of its divisors is an integer number (8649174912).

Almost surely, 2^145234056422 is an apocalyptic number.

145234056422 is a deficient number, since it is larger than the sum of its proper divisors (131539540762).

145234056422 is a wasteful number, since it uses less digits than its factorization.

145234056422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25741644.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 145234056422 its reverse (224650432541), we get a palindrome (369884488963).

The spelling of 145234056422 in words is "one hundred forty-five billion, two hundred thirty-four million, fifty-six thousand, four hundred twenty-two".