146690000 has 50 divisors (see below), whose sum is σ = 355175370. Its totient is φ = 58672000.

The previous prime is 146689997. The next prime is 146690009. The reversal of 146690000 is 96641.

146690000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 47169424 + 99520576 = 6868^2 + 9976^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×146690000² = 43035912200000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146690009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2666 + ... + 17334.

Almost surely, 2^146690000 is an apocalyptic number.

146690000 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 146690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177587685).

146690000 is an abundant number, since it is smaller than the sum of its proper divisors (208485370).

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

146690000 is an equidigital number, since it uses as much as digits as its factorization.

146690000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14697 (or 14676 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 146690000 is about 12111.5647213727. The cubic root of 146690000 is about 527.3919576871.

The spelling of 146690000 in words is "one hundred forty-six million, six hundred ninety thousand".