145803161304 has 96 divisors (see below), whose sum is σ = 407869338240. Its totient is φ = 47004710400.

The previous prime is 145803161281. The next prime is 145803161321. The reversal of 145803161304 is 403161308541.

145803161304 is a `hidden beast` number, since 1 + 4 + 5 + 8 + 0 + 31 + 613 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3822294 + ... + 3860250.

It is an arithmetic number, because the mean of its divisors is an integer number (4248638940).

Almost surely, 2^145803161304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145803161304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203934669120).

145803161304 is an abundant number, since it is smaller than the sum of its proper divisors (262066176936).

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

145803161304 is a wasteful number, since it uses less digits than its factorization.

145803161304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39721 (or 39714 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 145803161304 its reverse (403161308541), we get a palindrome (548964469845).

The spelling of 145803161304 in words is "one hundred forty-five billion, eight hundred three million, one hundred sixty-one thousand, three hundred four".