146304774 has 96 divisors (see below), whose sum is σ = 397672704. Its totient is φ = 37765440.

The previous prime is 146304757. The next prime is 146304787. The reversal of 146304774 is 477403641.

It is a happy number.

146304774 is a `hidden beast` number, since 14 + 630 + 4 + 7 + 7 + 4 = 666.

It is a Curzon number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 392052 + ... + 392424.

It is an arithmetic number, because the mean of its divisors is an integer number (4142424).

Almost surely, 2^146304774 is an apocalyptic number.

146304774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 146304774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198836352).

146304774 is an abundant number, since it is smaller than the sum of its proper divisors (251367930).

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

146304774 is a wasteful number, since it uses less digits than its factorization.

146304774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 146304774 is about 12095.6510366330. The cubic root of 146304774 is about 526.9298875625.

The spelling of 146304774 in words is "one hundred forty-six million, three hundred four thousand, seven hundred seventy-four".