145310875805778 has 16 divisors (see below), whose sum is σ = 299996646825216. Its totient is φ = 46874476066320.

The previous prime is 145310875805749. The next prime is 145310875805779. The reversal of 145310875805778 is 877508578013541.

145310875805778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145310875805778² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145310875805779) 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, 390620633701 + ... + 390620634072.

It is an arithmetic number, because the mean of its divisors is an integer number (18749790426576).

Almost surely, 2^{145310875805778} is an apocalyptic number.

145310875805778 is an abundant number, since it is smaller than the sum of its proper divisors (154685771019438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145310875805778 is a wasteful number, since it uses less digits than its factorization.

145310875805778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781241267809.

The product of its (nonzero) digits is 263424000, while the sum is 69.

The spelling of 145310875805778 in words is "one hundred forty-five trillion, three hundred ten billion, eight hundred seventy-five million, eight hundred five thousand, seven hundred seventy-eight".