146228620 has 12 divisors (see below), whose sum is σ = 307080144. Its totient is φ = 58491440.

The previous prime is 146228603. The next prime is 146228657. The reversal of 146228620 is 26822641.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3655696 + ... + 3655735.

It is an arithmetic number, because the mean of its divisors is an integer number (25590012).

Almost surely, 2^146228620 is an apocalyptic number.

146228620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146228620 is an abundant number, since it is smaller than the sum of its proper divisors (160851524).

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

146228620 is a wasteful number, since it uses less digits than its factorization.

146228620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311440 (or 7311438 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 146228620 is about 12092.5026359311. The cubic root of 146228620 is about 526.8384465202.

The spelling of 146228620 in words is "one hundred forty-six million, two hundred twenty-eight thousand, six hundred twenty".