145133340423555 has 32 divisors (see below), whose sum is σ = 253408118976000. Its totient is φ = 70344216250880.

The previous prime is 145133340423553. The next prime is 145133340423569. The reversal of 145133340423555 is 555324043331541.

It is a happy number.

It is not a de Polignac number, because 145133340423555 - 2¹ = 145133340423553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145133340423553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146153382 + ... + 147143051.

It is an arithmetic number, because the mean of its divisors is an integer number (7919003718000).

Almost surely, 2^{145133340423555} is an apocalyptic number.

145133340423555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145133340423555 is a deficient number, since it is larger than the sum of its proper divisors (108274778552445).

145133340423555 is a wasteful number, since it uses less digits than its factorization.

145133340423555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293299451.

The product of its (nonzero) digits is 6480000, while the sum is 48.

The spelling of 145133340423555 in words is "one hundred forty-five trillion, one hundred thirty-three billion, three hundred forty million, four hundred twenty-three thousand, five hundred fifty-five".