146873898 has 40 divisors (see below), whose sum is σ = 330990660. Its totient is φ = 48677760.

The previous prime is 146873879. The next prime is 146873899. The reversal of 146873898 is 898378641.

It can be written as a sum of positive squares in 2 ways, for example, as 129208689 + 17665209 = 11367^2 + 4203^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (146873899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26818 + ... + 31826.

Almost surely, 2^146873898 is an apocalyptic number.

146873898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 146873898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165495330).

146873898 is an abundant number, since it is smaller than the sum of its proper divisors (184116762).

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

146873898 is a wasteful number, since it uses less digits than its factorization.

146873898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204 (or 5195 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 146873898 is about 12119.1541784070. The cubic root of 146873898 is about 527.6122540614.

The spelling of 146873898 in words is "one hundred forty-six million, eight hundred seventy-three thousand, eight hundred ninety-eight".