145204122516 has 12 divisors (see below), whose sum is σ = 338809619232. Its totient is φ = 48401374168.

The previous prime is 145204122499. The next prime is 145204122527. The reversal of 145204122516 is 615221402541.

It is a happy number.

145204122516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050171760 + ... + 6050171783.

It is an arithmetic number, because the mean of its divisors is an integer number (28234134936).

Almost surely, 2^145204122516 is an apocalyptic number.

It is an amenable number.

145204122516 is an abundant number, since it is smaller than the sum of its proper divisors (193605496716).

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

145204122516 is a wasteful number, since it uses less digits than its factorization.

145204122516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100343550 (or 12100343548 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 145204122516 in words is "one hundred forty-five billion, two hundred four million, one hundred twenty-two thousand, five hundred sixteen".