145039317836 has 48 divisors (see below), whose sum is σ = 291405038400. Its totient is φ = 61875932160.

The previous prime is 145039317811. The next prime is 145039317889. The reversal of 145039317836 is 638713930541.

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, 8244746 + ... + 8262318.

It is an arithmetic number, because the mean of its divisors is an integer number (6070938300).

Almost surely, 2^145039317836 is an apocalyptic number.

It is an amenable number.

145039317836 is an abundant number, since it is smaller than the sum of its proper divisors (146365720564).

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

145039317836 is a wasteful number, since it uses less digits than its factorization.

145039317836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914 (or 18912 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

It can be divided in two parts, 14503 and 9317836, that added together give a palindrome (9332339).

The spelling of 145039317836 in words is "one hundred forty-five billion, thirty-nine million, three hundred seventeen thousand, eight hundred thirty-six".