145163323544 has 32 divisors (see below), whose sum is σ = 294323647680. Its totient is φ = 66858699264.

The previous prime is 145163323489. The next prime is 145163323601. The reversal of 145163323544 is 445323361541.

It is a happy number.

145163323544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11348687 + ... + 11361470.

It is an arithmetic number, because the mean of its divisors is an integer number (9197613990).

Almost surely, 2^145163323544 is an apocalyptic number.

It is an amenable number.

145163323544 is an abundant number, since it is smaller than the sum of its proper divisors (149160324136).

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

145163323544 is a wasteful number, since it uses less digits than its factorization.

145163323544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22710227 (or 22710223 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The spelling of 145163323544 in words is "one hundred forty-five billion, one hundred sixty-three million, three hundred twenty-three thousand, five hundred forty-four".