145105304 has 32 divisors (see below), whose sum is σ = 276672000. Its totient is φ = 71334432.

The previous prime is 145105291. The next prime is 145105339. The reversal of 145105304 is 403501541.

It is a self number, because there is not a number n which added to its sum of digits gives 145105304.

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, 277187 + ... + 277709.

It is an arithmetic number, because the mean of its divisors is an integer number (8646000).

Almost surely, 2^145105304 is an apocalyptic number.

It is an amenable number.

145105304 is a deficient number, since it is larger than the sum of its proper divisors (131566696).

145105304 is a wasteful number, since it uses less digits than its factorization.

145105304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145105304 is about 12045.9662958187. The cubic root of 145105304 is about 525.4859343638.

Adding to 145105304 its reverse (403501541), we get a palindrome (548606845).

The spelling of 145105304 in words is "one hundred forty-five million, one hundred five thousand, three hundred four".