146553330 has 64 divisors (see below), whose sum is σ = 438524928. Its totient is φ = 30452160.

The previous prime is 146553287. The next prime is 146553343. The reversal of 146553330 is 33355641.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29412 + ... + 34031.

It is an arithmetic number, because the mean of its divisors is an integer number (6851952).

Almost surely, 2^146553330 is an apocalyptic number.

146553330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146553330 is an abundant number, since it is smaller than the sum of its proper divisors (291971598).

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

146553330 is a wasteful number, since it uses less digits than its factorization.

146553330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63471.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 146553330 is about 12105.9212784488. The cubic root of 146553330 is about 527.2281177173.

The spelling of 146553330 in words is "one hundred forty-six million, five hundred fifty-three thousand, three hundred thirty".