145615803916 has 36 divisors (see below), whose sum is σ = 287670121984. Its totient is φ = 64400101920.

The previous prime is 145615803913. The next prime is 145615803943. The reversal of 145615803916 is 619308516541.

It is a self number, because there is not a number n which added to its sum of digits gives 145615803916.

It is not an unprimeable number, because it can be changed into a prime (145615803913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4047756 + ... + 4083571.

Almost surely, 2^145615803916 is an apocalyptic number.

It is an amenable number.

145615803916 is a deficient number, since it is larger than the sum of its proper divisors (142054318068).

145615803916 is a wasteful number, since it uses less digits than its factorization.

145615803916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131390 (or 8131377 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 145615803916 in words is "one hundred forty-five billion, six hundred fifteen million, eight hundred three thousand, nine hundred sixteen".