145117256356 has 24 divisors (see below), whose sum is σ = 255387708800. Its totient is φ = 72149787072.

The previous prime is 145117256351. The next prime is 145117256377. The reversal of 145117256356 is 653652711541.

It is not an unprimeable number, because it can be changed into a prime (145117256351) 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 in 7 ways as a sum of consecutive naturals, for example, 1263961 + ... + 1373983.

Almost surely, 2^145117256356 is an apocalyptic number.

It is an amenable number.

145117256356 is a deficient number, since it is larger than the sum of its proper divisors (110270452444).

145117256356 is a wasteful number, since it uses less digits than its factorization.

145117256356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111883 (or 111881 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

Adding to 145117256356 its reverse (653652711541), we get a palindrome (798769967897).

The spelling of 145117256356 in words is "one hundred forty-five billion, one hundred seventeen million, two hundred fifty-six thousand, three hundred fifty-six".