145603663504 has 80 divisors (see below), whose sum is σ = 308290268160. Its totient is φ = 66211407360.

The previous prime is 145603663463. The next prime is 145603663519. The reversal of 145603663504 is 405366306541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35278689 + ... + 35282815.

It is an arithmetic number, because the mean of its divisors is an integer number (3853628352).

Almost surely, 2^145603663504 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 145603663504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154145134080).

145603663504 is an abundant number, since it is smaller than the sum of its proper divisors (162686604656).

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

145603663504 is a wasteful number, since it uses less digits than its factorization.

145603663504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6602 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 145603663504 in words is "one hundred forty-five billion, six hundred three million, six hundred sixty-three thousand, five hundred four".