145215506106 has 80 divisors (see below), whose sum is σ = 373654020960. Its totient is φ = 41688652320.

The previous prime is 145215506021. The next prime is 145215506123. The reversal of 145215506106 is 601605512541.

145215506106 is a `hidden beast` number, since 1 + 45 + 2 + 1 + 5 + 506 + 106 = 666.

145215506106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39 ways as a sum of consecutive naturals, for example, 2110621 + ... + 2178336.

It is an arithmetic number, because the mean of its divisors is an integer number (4670675262).

Almost surely, 2^145215506106 is an apocalyptic number.

145215506106 is an abundant number, since it is smaller than the sum of its proper divisors (228438514854).

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

145215506106 is a wasteful number, since it uses less digits than its factorization.

145215506106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289001 (or 4288992 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 145215506106 in words is "one hundred forty-five billion, two hundred fifteen million, five hundred six thousand, one hundred six".