146228984 has 64 divisors (see below), whose sum is σ = 312007680. Its totient is φ = 64178400.

The previous prime is 146228969. The next prime is 146229007. The reversal of 146228984 is 489822641.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329867 + ... + 330309.

It is an arithmetic number, because the mean of its divisors is an integer number (4875120).

Almost surely, 2^146228984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146228984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156003840).

146228984 is an abundant number, since it is smaller than the sum of its proper divisors (165778696).

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

146228984 is a wasteful number, since it uses less digits than its factorization.

146228984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 487 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 146228984 is about 12092.5176865697. The cubic root of 146228984 is about 526.8388836646.

The spelling of 146228984 in words is "one hundred forty-six million, two hundred twenty-eight thousand, nine hundred eighty-four".