145453213422 has 24 divisors (see below), whose sum is σ = 343798504920. Its totient is φ = 44076731280.

The previous prime is 145453213417. The next prime is 145453213469. The reversal of 145453213422 is 224312354541.

It is a happy number.

145453213422 is a `hidden beast` number, since 1 + 454 + 53 + 2 + 134 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367305897 + ... + 367306292.

It is an arithmetic number, because the mean of its divisors is an integer number (14324937705).

Almost surely, 2^145453213422 is an apocalyptic number.

145453213422 is an abundant number, since it is smaller than the sum of its proper divisors (198345291498).

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

145453213422 is a wasteful number, since it uses less digits than its factorization.

145453213422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734612208 (or 734612205 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 145453213422 its reverse (224312354541), we get a palindrome (369765567963).

The spelling of 145453213422 in words is "one hundred forty-five billion, four hundred fifty-three million, two hundred thirteen thousand, four hundred twenty-two".