145921906106 has 8 divisors (see below), whose sum is σ = 218887601184. Its totient is φ = 72959372380.

The previous prime is 145921906093. The next prime is 145921906111. The reversal of 145921906106 is 601609129541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671360 + ... + 861723.

It is an arithmetic number, because the mean of its divisors is an integer number (27360950148).

Almost surely, 2^145921906106 is an apocalyptic number.

145921906106 is a deficient number, since it is larger than the sum of its proper divisors (72965695078).

145921906106 is a wasteful number, since it uses less digits than its factorization.

145921906106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580676.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 145921906106 in words is "one hundred forty-five billion, nine hundred twenty-one million, nine hundred six thousand, one hundred six".