145504400022 has 24 divisors (see below), whose sum is σ = 315335606664. Its totient is φ = 48489763104.

The previous prime is 145504399993. The next prime is 145504400029. The reversal of 145504400022 is 220004405541.

145504400022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145504400029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898468 + ... + 1047975.

It is an arithmetic number, because the mean of its divisors is an integer number (13138983611).

Almost surely, 2^145504400022 is an apocalyptic number.

145504400022 is an abundant number, since it is smaller than the sum of its proper divisors (169831206642).

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

145504400022 is a wasteful number, since it uses less digits than its factorization.

145504400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950604 (or 1950601 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 145504400022 its reverse (220004405541), we get a palindrome (365508805563).

The spelling of 145504400022 in words is "one hundred forty-five billion, five hundred four million, four hundred thousand, twenty-two".