145440313534160 has 20 divisors (see below), whose sum is σ = 338148728967108. Its totient is φ = 58176125413632.

The previous prime is 145440313534057. The next prime is 145440313534163. The reversal of 145440313534160 is 61435313044541.

It can be written as a sum of positive squares in 2 ways, for example, as 89417902858816 + 56022410675344 = 9456104^2 + 7484812^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145440313534163) 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, 909001959509 + ... + 909001959668.

Almost surely, 2^{145440313534160} is an apocalyptic number.

145440313534160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145440313534160 is an abundant number, since it is smaller than the sum of its proper divisors (192708415432948).

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

145440313534160 is a wasteful number, since it uses less digits than its factorization.

145440313534160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818003919190 (or 1818003919184 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 145440313534160 in words is "one hundred forty-five trillion, four hundred forty billion, three hundred thirteen million, five hundred thirty-four thousand, one hundred sixty".