145422405044 has 48 divisors (see below), whose sum is σ = 303322199040. Its totient is φ = 59691617280.

The previous prime is 145422405031. The next prime is 145422405047. The reversal of 145422405044 is 440504224541.

It is a happy number.

It is a super-2 number, since 2×145422405044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145422404995 and 145422405013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145422405047) 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, 779399 + ... + 947790.

It is an arithmetic number, because the mean of its divisors is an integer number (6319212480).

Almost surely, 2^145422405044 is an apocalyptic number.

145422405044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145422405044 is an abundant number, since it is smaller than the sum of its proper divisors (157899793996).

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

145422405044 is a wasteful number, since it uses less digits than its factorization.

145422405044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727328 (or 1727326 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 145422405044 its reverse (440504224541), we get a palindrome (585926629585).

The spelling of 145422405044 in words is "one hundred forty-five billion, four hundred twenty-two million, four hundred five thousand, forty-four".