145440326142536 has 16 divisors (see below), whose sum is σ = 274070966352000. Its totient is φ = 72354735115344.

The previous prime is 145440326142533. The next prime is 145440326142571. The reversal of 145440326142536 is 635241623044541.

It is a super-2 number, since 2×145440326142536² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145440326142533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45678492800 + ... + 45678495983.

It is an arithmetic number, because the mean of its divisors is an integer number (17129435397000).

Almost surely, 2^{145440326142536} is an apocalyptic number.

It is an amenable number.

145440326142536 is a deficient number, since it is larger than the sum of its proper divisors (128630640209464).

145440326142536 is a wasteful number, since it uses less digits than its factorization.

145440326142536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91356988988 (or 91356988984 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 145440326142536 in words is "one hundred forty-five trillion, four hundred forty billion, three hundred twenty-six million, one hundred forty-two thousand, five hundred thirty-six".