146985450 has 48 divisors (see below), whose sum is σ = 372297600. Its totient is φ = 38360320.

The previous prime is 146985439. The next prime is 146985469. The reversal of 146985450 is 54589641.

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 23 ways as a sum of consecutive naturals, for example, 3375 + ... + 17474.

It is an arithmetic number, because the mean of its divisors is an integer number (7756200).

Almost surely, 2^146985450 is an apocalyptic number.

146985450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146985450 is an abundant number, since it is smaller than the sum of its proper divisors (225312150).

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

146985450 is a wasteful number, since it uses less digits than its factorization.

146985450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20911 (or 20906 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 146985450 is about 12123.7556062468. The cubic root of 146985450 is about 527.7457956202.

The spelling of 146985450 in words is "one hundred forty-six million, nine hundred eighty-five thousand, four hundred fifty".