145412223322 has 16 divisors (see below), whose sum is σ = 218338099200. Its totient is φ = 72632896560.

The previous prime is 145412223241. The next prime is 145412223391. The reversal of 145412223322 is 223322214541.

It is a happy number.

It is a super-2 number, since 2×145412223322² (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 7 ways as a sum of consecutive naturals, for example, 9459879 + ... + 9475237.

It is an arithmetic number, because the mean of its divisors is an integer number (13646131200).

Almost surely, 2^145412223322 is an apocalyptic number.

145412223322 is a deficient number, since it is larger than the sum of its proper divisors (72925875878).

145412223322 is a wasteful number, since it uses less digits than its factorization.

145412223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19821.

The product of its digits is 23040, while the sum is 31.

Adding to 145412223322 its reverse (223322214541), we get a palindrome (368734437863).

The spelling of 145412223322 in words is "one hundred forty-five billion, four hundred twelve million, two hundred twenty-three thousand, three hundred twenty-two".