145415435444 has 12 divisors (see below), whose sum is σ = 254947398468. Its totient is φ = 72573321600.

The previous prime is 145415435443. The next prime is 145415435447. The reversal of 145415435444 is 444534514541.

It can be written as a sum of positive squares in 2 ways, for example, as 47939102500 + 97476332944 = 218950^2 + 312212^2 .

It is a super-2 number, since 2×145415435444² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145415435395 and 145415435404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145415435443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33596597 + ... + 33600924.

It is an arithmetic number, because the mean of its divisors is an integer number (21245616539).

Almost surely, 2^145415435444 is an apocalyptic number.

It is an amenable number.

145415435444 is a deficient number, since it is larger than the sum of its proper divisors (109531963024).

145415435444 is a wasteful number, since it uses less digits than its factorization.

145415435444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67198066 (or 67198064 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 44.

Adding to 145415435444 its reverse (444534514541), we get a palindrome (589949949985).

The spelling of 145415435444 in words is "one hundred forty-five billion, four hundred fifteen million, four hundred thirty-five thousand, four hundred forty-four".