146890128 has 120 divisors (see below), whose sum is σ = 476816704. Its totient is φ = 38142720.

The previous prime is 146890127. The next prime is 146890129. The reversal of 146890128 is 821098641.

It is an interprime number because it is at equal distance from previous prime (146890127) and next prime (146890129).

It is not an unprimeable number, because it can be changed into a prime (146890123) 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 23 ways as a sum of consecutive naturals, for example, 38850 + ... + 42462.

Almost surely, 2^146890128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146890128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238408352).

146890128 is an abundant number, since it is smaller than the sum of its proper divisors (329926576).

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

146890128 is a wasteful number, since it uses less digits than its factorization.

146890128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3636 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 146890128 is about 12119.8237610949. The cubic root of 146890128 is about 527.6316875837.

The spelling of 146890128 in words is "one hundred forty-six million, eight hundred ninety thousand, one hundred twenty-eight".