145260256244 has 12 divisors (see below), whose sum is σ = 254845767204. Its totient is φ = 72447179904.

The previous prime is 145260256243. The next prime is 145260256249. The reversal of 145260256244 is 442652062541.

It can be written as a sum of positive squares in 2 ways, for example, as 74344566244 + 70915690000 = 272662^2 + 266300^2 .

It is a super-2 number, since 2×145260256244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145260256241) 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, 45735269 + ... + 45738444.

It is an arithmetic number, because the mean of its divisors is an integer number (21237147267).

Almost surely, 2^145260256244 is an apocalyptic number.

It is an amenable number.

145260256244 is a deficient number, since it is larger than the sum of its proper divisors (109585510960).

145260256244 is a wasteful number, since it uses less digits than its factorization.

145260256244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91474114 (or 91474112 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 145260256244 in words is "one hundred forty-five billion, two hundred sixty million, two hundred fifty-six thousand, two hundred forty-four".