146900000 has 144 divisors (see below), whose sum is σ = 392740488. Its totient is φ = 53760000.

The previous prime is 146899999. The next prime is 146900003. The reversal of 146900000 is 9641.

It can be written as a sum of positive squares in 12 ways, for example, as 133911184 + 12988816 = 11572^2 + 3604^2 .

It is a super-2 number, since 2×146900000² = 43159220000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (146900003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1299944 + ... + 1300056.

Almost surely, 2^146900000 is an apocalyptic number.

146900000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196370244).

146900000 is an abundant number, since it is smaller than the sum of its proper divisors (245840488).

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

146900000 is an equidigital number, since it uses as much as digits as its factorization.

146900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 146900000 is about 12120.2310209006. The cubic root of 146900000 is about 527.6435074461.

Adding to 146900000 its reverse (9641), we get a palindrome (146909641).

The spelling of 146900000 in words is "one hundred forty-six million, nine hundred thousand".