145103515052 has 48 divisors (see below), whose sum is σ = 268359907200. Its totient is φ = 68460215040.

The previous prime is 145103515031. The next prime is 145103515087. The reversal of 145103515052 is 250515301541.

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, 21683027 + ... + 21689717.

It is an arithmetic number, because the mean of its divisors is an integer number (5590831400).

Almost surely, 2^145103515052 is an apocalyptic number.

It is an amenable number.

145103515052 is a deficient number, since it is larger than the sum of its proper divisors (123256392148).

145103515052 is a wasteful number, since it uses less digits than its factorization.

145103515052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806 (or 7804 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 145103515052 its reverse (250515301541), we get a palindrome (395618816593).

The spelling of 145103515052 in words is "one hundred forty-five billion, one hundred three million, five hundred fifteen thousand, fifty-two".