145021154322 has 32 divisors (see below), whose sum is σ = 316778261760. Its totient is φ = 43894627920.

The previous prime is 145021154321. The next prime is 145021154351. The reversal of 145021154322 is 223451120541.

It is a super-2 number, since 2×145021154322² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145021154322.

It is not an unprimeable number, because it can be changed into a prime (145021154321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222288 + ... + 1335675.

It is an arithmetic number, because the mean of its divisors is an integer number (9899320680).

Almost surely, 2^145021154322 is an apocalyptic number.

145021154322 is an abundant number, since it is smaller than the sum of its proper divisors (171757107438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145021154322 is a wasteful number, since it uses less digits than its factorization.

145021154322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558838.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 145021154322 its reverse (223451120541), we get a palindrome (368472274863).

The spelling of 145021154322 in words is "one hundred forty-five billion, twenty-one million, one hundred fifty-four thousand, three hundred twenty-two".