145705575722 has 48 divisors (see below), whose sum is σ = 262677012480. Its totient is φ = 60376932000.

The previous prime is 145705575677. The next prime is 145705575739. The reversal of 145705575722 is 227575507541.

145705575722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145705575722² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3475904 + ... + 3517572.

It is an arithmetic number, because the mean of its divisors is an integer number (5472437760).

Almost surely, 2^145705575722 is an apocalyptic number.

145705575722 is a deficient number, since it is larger than the sum of its proper divisors (116971436758).

145705575722 is a wasteful number, since it uses less digits than its factorization.

145705575722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42867 (or 42860 counting only the distinct ones).

The product of its (nonzero) digits is 3430000, while the sum is 50.

The spelling of 145705575722 in words is "one hundred forty-five billion, seven hundred five million, five hundred seventy-five thousand, seven hundred twenty-two".