145779444056 has 16 divisors (see below), whose sum is σ = 273340667040. Its totient is φ = 72888599520.

The previous prime is 145779444007. The next prime is 145779444113. The reversal of 145779444056 is 650444977541.

It is a super-2 number, since 2×145779444056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145779443992 and 145779444010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726950 + ... + 905546.

It is an arithmetic number, because the mean of its divisors is an integer number (17083791690).

Almost surely, 2^145779444056 is an apocalyptic number.

It is an amenable number.

145779444056 is a deficient number, since it is larger than the sum of its proper divisors (127561222984).

145779444056 is a wasteful number, since it uses less digits than its factorization.

145779444056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280634 (or 280630 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 145779444056 in words is "one hundred forty-five billion, seven hundred seventy-nine million, four hundred forty-four thousand, fifty-six".