146220064474 has 16 divisors (see below), whose sum is σ = 242840380896. Its totient is φ = 65471670000.

The previous prime is 146220064451. The next prime is 146220064477. The reversal of 146220064474 is 474460022641.

It is not an unprimeable number, because it can be changed into a prime (146220064477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49598277 + ... + 49601224.

It is an arithmetic number, because the mean of its divisors is an integer number (15177523806).

Almost surely, 2^146220064474 is an apocalyptic number.

146220064474 is a deficient number, since it is larger than the sum of its proper divisors (96620316422).

146220064474 is a wasteful number, since it uses less digits than its factorization.

146220064474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99199581.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 146220064474 in words is "one hundred forty-six billion, two hundred twenty million, sixty-four thousand, four hundred seventy-four".