145344775244 has 6 divisors (see below), whose sum is σ = 254353356684. Its totient is φ = 72672387620.

The previous prime is 145344775211. The next prime is 145344775249. The reversal of 145344775244 is 442577443541.

It is a super-2 number, since 2×145344775244² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145344775192 and 145344775201.

It is not an unprimeable number, because it can be changed into a prime (145344775249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18168096902 + ... + 18168096909.

It is an arithmetic number, because the mean of its divisors is an integer number (42392226114).

Almost surely, 2^145344775244 is an apocalyptic number.

It is an amenable number.

145344775244 is a deficient number, since it is larger than the sum of its proper divisors (109008581440).

145344775244 is a wasteful number, since it uses less digits than its factorization.

145344775244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36336193815 (or 36336193813 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 50.

The spelling of 145344775244 in words is "one hundred forty-five billion, three hundred forty-four million, seven hundred seventy-five thousand, two hundred forty-four".