146398864 has 80 divisors (see below), whose sum is σ = 313979904. Its totient is φ = 65894400.

The previous prime is 146398829. The next prime is 146398877. The reversal of 146398864 is 468893641.

146398864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467572 + ... + 467884.

Almost surely, 2^146398864 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 146398864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156989952).

146398864 is an abundant number, since it is smaller than the sum of its proper divisors (167581040).

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

146398864 is a wasteful number, since it uses less digits than its factorization.

146398864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 410 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 146398864 is about 12099.5398259603. The cubic root of 146398864 is about 527.0428212405.

The spelling of 146398864 in words is "one hundred forty-six million, three hundred ninety-eight thousand, eight hundred sixty-four".