146049220428 has 24 divisors (see below), whose sum is σ = 349093259760. Its totient is φ = 47495681280.

The previous prime is 146049220337. The next prime is 146049220459. The reversal of 146049220428 is 824022940641.

It is a self number, because there is not a number n which added to its sum of digits gives 146049220428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148423513 + ... + 148424496.

It is an arithmetic number, because the mean of its divisors is an integer number (14545552490).

Almost surely, 2^146049220428 is an apocalyptic number.

It is an amenable number.

146049220428 is an abundant number, since it is smaller than the sum of its proper divisors (203044039332).

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

146049220428 is a wasteful number, since it uses less digits than its factorization.

146049220428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296848057 (or 296848055 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 146049220428 in words is "one hundred forty-six billion, forty-nine million, two hundred twenty thousand, four hundred twenty-eight".