146049816 has 128 divisors (see below), whose sum is σ = 423014400. Its totient is φ = 41585280.

The previous prime is 146049811. The next prime is 146049817. The reversal of 146049816 is 618940641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146049811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406645 + ... + 407003.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^146049816 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 146049816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211507200).

146049816 is an abundant number, since it is smaller than the sum of its proper divisors (276964584).

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

146049816 is a wasteful number, since it uses less digits than its factorization.

146049816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 146049816 is about 12085.1071985316. The cubic root of 146049816 is about 526.6236248184.

The spelling of 146049816 in words is "one hundred forty-six million, forty-nine thousand, eight hundred sixteen".