145352223412 has 24 divisors (see below), whose sum is σ = 277501260960. Its totient is φ = 66066656160.

The previous prime is 145352223409. The next prime is 145352223463. The reversal of 145352223412 is 214322253541.

It is a super-2 number, since 2×145352223412² (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 7 ways as a sum of consecutive naturals, for example, 1566583 + ... + 1656769.

It is an arithmetic number, because the mean of its divisors is an integer number (11562552540).

Almost surely, 2^145352223412 is an apocalyptic number.

It is an amenable number.

145352223412 is a deficient number, since it is larger than the sum of its proper divisors (132149037548).

145352223412 is a wasteful number, since it uses less digits than its factorization.

145352223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126831 (or 126829 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

Adding to 145352223412 its reverse (214322253541), we get a palindrome (359674476953).

The spelling of 145352223412 in words is "one hundred forty-five billion, three hundred fifty-two million, two hundred twenty-three thousand, four hundred twelve".